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Finding the Fourth Proportional to 522,061.70, 783,092.55 and 459,853.70

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Solution

The fourth proportional to 522,061.70, 783,092.55 and 459,853.70 is: 689,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,061.70 : 783,092.55 = 459,853.70 : x
  2. Step 2: Convert to fraction form
    522,061.70/783,092.55 = 459,853.70/x
  3. Step 3: Cross multiply
    522,061.70x = 783,092.55 × 459,853.70
  4. Step 4: Simplify right side
    522,061.70x = 360,108,006,559.94
  5. Step 5: Solve for x
    x = 360,108,006,559.94/522,061.70
  6. Step 6: Final answer
    x = 689,780.55

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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.