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Finding the Fourth Proportional to 497,337.32, 745,381.73 and 212,693.06

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Solution

The fourth proportional to 497,337.32, 745,381.73 and 212,693.06 is: 318,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,337.32 : 745,381.73 = 212,693.06 : x
  2. Step 2: Convert to fraction form
    497,337.32/745,381.73 = 212,693.06/x
  3. Step 3: Cross multiply
    497,337.32x = 745,381.73 × 212,693.06
  4. Step 4: Simplify right side
    497,337.32x = 158,537,523,416.98
  5. Step 5: Solve for x
    x = 158,537,523,416.98/497,337.32
  6. Step 6: Final answer
    x = 318,772.62

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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.