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Finding the Fourth Proportional to 524,737.80, 787,106.70 and 314,785.80

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Solution

The fourth proportional to 524,737.80, 787,106.70 and 314,785.80 is: 472,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,737.80 : 787,106.70 = 314,785.80 : x
  2. Step 2: Convert to fraction form
    524,737.80/787,106.70 = 314,785.80/x
  3. Step 3: Cross multiply
    524,737.80x = 787,106.70 × 314,785.80
  4. Step 4: Simplify right side
    524,737.80x = 247,770,012,244.86
  5. Step 5: Solve for x
    x = 247,770,012,244.86/524,737.80
  6. Step 6: Final answer
    x = 472,178.70

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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.