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Finding the Fourth Proportional to 497,872.80, 745,426.80 and 484,048.80

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Solution

The fourth proportional to 497,872.80, 745,426.80 and 484,048.80 is: 724,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,872.80 : 745,426.80 = 484,048.80 : x
  2. Step 2: Convert to fraction form
    497,872.80/745,426.80 = 484,048.80/x
  3. Step 3: Cross multiply
    497,872.80x = 745,426.80 × 484,048.80
  4. Step 4: Simplify right side
    497,872.80x = 360,822,948,027.84
  5. Step 5: Solve for x
    x = 360,822,948,027.84/497,872.80
  6. Step 6: Final answer
    x = 724,729.18

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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.