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Finding the Fourth Proportional to 497,870.80, 745,423.80 and 484,046.80

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Solution

The fourth proportional to 497,870.80, 745,423.80 and 484,046.80 is: 724,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,870.80 : 745,423.80 = 484,046.80 : x
  2. Step 2: Convert to fraction form
    497,870.80/745,423.80 = 484,046.80/x
  3. Step 3: Cross multiply
    497,870.80x = 745,423.80 × 484,046.80
  4. Step 4: Simplify right side
    497,870.80x = 360,820,005,033.84
  5. Step 5: Solve for x
    x = 360,820,005,033.84/497,870.80
  6. Step 6: Final answer
    x = 724,726.18

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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.