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Finding the Fourth Proportional to 571,657.44, 857,486.16 and 197,476.32

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Solution

The fourth proportional to 571,657.44, 857,486.16 and 197,476.32 is: 296,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,657.44 : 857,486.16 = 197,476.32 : x
  2. Step 2: Convert to fraction form
    571,657.44/857,486.16 = 197,476.32/x
  3. Step 3: Cross multiply
    571,657.44x = 857,486.16 × 197,476.32
  4. Step 4: Simplify right side
    571,657.44x = 169,333,211,327.73
  5. Step 5: Solve for x
    x = 169,333,211,327.73/571,657.44
  6. Step 6: Final answer
    x = 296,214.48

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.