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Finding the Fourth Proportional to 555,560.01, 766,633.04 and 326,126.63

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Solution

The fourth proportional to 555,560.01, 766,633.04 and 326,126.63 is: 450,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,560.01 : 766,633.04 = 326,126.63 : x
  2. Step 2: Convert to fraction form
    555,560.01/766,633.04 = 326,126.63/x
  3. Step 3: Cross multiply
    555,560.01x = 766,633.04 × 326,126.63
  4. Step 4: Simplify right side
    555,560.01x = 250,019,444,318.06
  5. Step 5: Solve for x
    x = 250,019,444,318.06/555,560.01
  6. Step 6: Final answer
    x = 450,031.39

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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.