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Finding the Fourth Proportional to 571,099.04, 856,650.51 and 144,634.71

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Solution

The fourth proportional to 571,099.04, 856,650.51 and 144,634.71 is: 216,952.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,099.04 : 856,650.51 = 144,634.71 : x
  2. Step 2: Convert to fraction form
    571,099.04/856,650.51 = 144,634.71/x
  3. Step 3: Cross multiply
    571,099.04x = 856,650.51 × 144,634.71
  4. Step 4: Simplify right side
    571,099.04x = 123,901,398,085.20
  5. Step 5: Solve for x
    x = 123,901,398,085.20/571,099.04
  6. Step 6: Final answer
    x = 216,952.56

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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.