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Finding the Fourth Proportional to 486,088.40, 729,132.60 and 334,529.30

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Solution

The fourth proportional to 486,088.40, 729,132.60 and 334,529.30 is: 501,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,088.40 : 729,132.60 = 334,529.30 : x
  2. Step 2: Convert to fraction form
    486,088.40/729,132.60 = 334,529.30/x
  3. Step 3: Cross multiply
    486,088.40x = 729,132.60 × 334,529.30
  4. Step 4: Simplify right side
    486,088.40x = 243,916,218,285.18
  5. Step 5: Solve for x
    x = 243,916,218,285.18/486,088.40
  6. Step 6: Final answer
    x = 501,793.95

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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.