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Finding the Fourth Proportional to 937,370, 1,406,294.76 and 272,522

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Solution

The fourth proportional to 937,370, 1,406,294.76 and 272,522 is: 408,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,370 : 1,406,294.76 = 272,522 : x
  2. Step 2: Convert to fraction form
    937,370/1,406,294.76 = 272,522/x
  3. Step 3: Cross multiply
    937,370x = 1,406,294.76 × 272,522
  4. Step 4: Simplify right side
    937,370x = 383,246,260,584.72
  5. Step 5: Solve for x
    x = 383,246,260,584.72/937,370
  6. Step 6: Final answer
    x = 408,852.71

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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.