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Finding the Fourth Proportional to 569,536.44, 786,116.22 and 354,548.76

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Solution

The fourth proportional to 569,536.44, 786,116.22 and 354,548.76 is: 489,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,536.44 : 786,116.22 = 354,548.76 : x
  2. Step 2: Convert to fraction form
    569,536.44/786,116.22 = 354,548.76/x
  3. Step 3: Cross multiply
    569,536.44x = 786,116.22 × 354,548.76
  4. Step 4: Simplify right side
    569,536.44x = 278,716,531,016.89
  5. Step 5: Solve for x
    x = 278,716,531,016.89/569,536.44
  6. Step 6: Final answer
    x = 489,374.36

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.