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Finding the Fourth Proportional to 502,482.20, 753,723.30 and 497,233.40

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Solution

The fourth proportional to 502,482.20, 753,723.30 and 497,233.40 is: 745,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,482.20 : 753,723.30 = 497,233.40 : x
  2. Step 2: Convert to fraction form
    502,482.20/753,723.30 = 497,233.40/x
  3. Step 3: Cross multiply
    502,482.20x = 753,723.30 × 497,233.40
  4. Step 4: Simplify right side
    502,482.20x = 374,776,399,118.22
  5. Step 5: Solve for x
    x = 374,776,399,118.22/502,482.20
  6. Step 6: Final answer
    x = 745,850.10

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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.