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Finding the Fourth Proportional to 499,766.13, 745,723.89 and 469,263.54

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Solution

The fourth proportional to 499,766.13, 745,723.89 and 469,263.54 is: 700,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,766.13 : 745,723.89 = 469,263.54 : x
  2. Step 2: Convert to fraction form
    499,766.13/745,723.89 = 469,263.54/x
  3. Step 3: Cross multiply
    499,766.13x = 745,723.89 × 469,263.54
  4. Step 4: Simplify right side
    499,766.13x = 349,941,032,483.97
  5. Step 5: Solve for x
    x = 349,941,032,483.97/499,766.13
  6. Step 6: Final answer
    x = 700,209.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.