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Finding the Fourth Proportional to 653,242.47, 901,474.61 and 366,768.71

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Solution

The fourth proportional to 653,242.47, 901,474.61 and 366,768.71 is: 506,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,242.47 : 901,474.61 = 366,768.71 : x
  2. Step 2: Convert to fraction form
    653,242.47/901,474.61 = 366,768.71/x
  3. Step 3: Cross multiply
    653,242.47x = 901,474.61 × 366,768.71
  4. Step 4: Simplify right side
    653,242.47x = 330,632,680,227.30
  5. Step 5: Solve for x
    x = 330,632,680,227.30/653,242.47
  6. Step 6: Final answer
    x = 506,140.82

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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.