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Finding the Fourth Proportional to 908,583, 1,253,870.46 and 506,200.92

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Solution

The fourth proportional to 908,583, 1,253,870.46 and 506,200.92 is: 698,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,583 : 1,253,870.46 = 506,200.92 : x
  2. Step 2: Convert to fraction form
    908,583/1,253,870.46 = 506,200.92/x
  3. Step 3: Cross multiply
    908,583x = 1,253,870.46 × 506,200.92
  4. Step 4: Simplify right side
    908,583x = 634,710,380,412.82
  5. Step 5: Solve for x
    x = 634,710,380,412.82/908,583
  6. Step 6: Final answer
    x = 698,571.71

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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.