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Finding the Fourth Proportional to 571,593.12, 857,390.05 and 145,160.93

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Solution

The fourth proportional to 571,593.12, 857,390.05 and 145,160.93 is: 217,741.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,593.12 : 857,390.05 = 145,160.93 : x
  2. Step 2: Convert to fraction form
    571,593.12/857,390.05 = 145,160.93/x
  3. Step 3: Cross multiply
    571,593.12x = 857,390.05 × 145,160.93
  4. Step 4: Simplify right side
    571,593.12x = 124,459,535,921.94
  5. Step 5: Solve for x
    x = 124,459,535,921.94/571,593.12
  6. Step 6: Final answer
    x = 217,741.49

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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.