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Finding the Fourth Proportional to 506,079.87, 758,744.82 and 306,353.00

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Solution

The fourth proportional to 506,079.87, 758,744.82 and 306,353.00 is: 459,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,079.87 : 758,744.82 = 306,353.00 : x
  2. Step 2: Convert to fraction form
    506,079.87/758,744.82 = 306,353.00/x
  3. Step 3: Cross multiply
    506,079.87x = 758,744.82 × 306,353.00
  4. Step 4: Simplify right side
    506,079.87x = 232,443,753,738.32
  5. Step 5: Solve for x
    x = 232,443,753,738.32/506,079.87
  6. Step 6: Final answer
    x = 459,302.51

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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.