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Finding the Fourth Proportional to 472,458.75, 708,688.14 and 140,034.75

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Solution

The fourth proportional to 472,458.75, 708,688.14 and 140,034.75 is: 210,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,458.75 : 708,688.14 = 140,034.75 : x
  2. Step 2: Convert to fraction form
    472,458.75/708,688.14 = 140,034.75/x
  3. Step 3: Cross multiply
    472,458.75x = 708,688.14 × 140,034.75
  4. Step 4: Simplify right side
    472,458.75x = 99,240,966,512.87
  5. Step 5: Solve for x
    x = 99,240,966,512.87/472,458.75
  6. Step 6: Final answer
    x = 210,052.13

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Similar ratio
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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.