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Finding the Fourth Proportional to 560,311.92, 836,097.72 and 499,925.28

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Solution

The fourth proportional to 560,311.92, 836,097.72 and 499,925.28 is: 745,988.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,311.92 : 836,097.72 = 499,925.28 : x
  2. Step 2: Convert to fraction form
    560,311.92/836,097.72 = 499,925.28/x
  3. Step 3: Cross multiply
    560,311.92x = 836,097.72 × 499,925.28
  4. Step 4: Simplify right side
    560,311.92x = 417,986,386,778.36
  5. Step 5: Solve for x
    x = 417,986,386,778.36/560,311.92
  6. Step 6: Final answer
    x = 745,988.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.