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Finding the Fourth Proportional to 898,132.70, 1,347,717.45 and 337,223.90

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Solution

The fourth proportional to 898,132.70, 1,347,717.45 and 337,223.90 is: 506,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,132.70 : 1,347,717.45 = 337,223.90 : x
  2. Step 2: Convert to fraction form
    898,132.70/1,347,717.45 = 337,223.90/x
  3. Step 3: Cross multiply
    898,132.70x = 1,347,717.45 × 337,223.90
  4. Step 4: Simplify right side
    898,132.70x = 454,482,534,587.06
  5. Step 5: Solve for x
    x = 454,482,534,587.06/898,132.70
  6. Step 6: Final answer
    x = 506,030.49

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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.