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Finding the Fourth Proportional to 706,348.74, 974,773.49 and 384,061.02

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Solution

The fourth proportional to 706,348.74, 974,773.49 and 384,061.02 is: 530,010.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,348.74 : 974,773.49 = 384,061.02 : x
  2. Step 2: Convert to fraction form
    706,348.74/974,773.49 = 384,061.02/x
  3. Step 3: Cross multiply
    706,348.74x = 974,773.49 × 384,061.02
  4. Step 4: Simplify right side
    706,348.74x = 374,372,498,918.06
  5. Step 5: Solve for x
    x = 374,372,498,918.06/706,348.74
  6. Step 6: Final answer
    x = 530,010.85

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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.