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Finding the Fourth Proportional to 335,304, 502,957.22 and 318,485.97

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Solution

The fourth proportional to 335,304, 502,957.22 and 318,485.97 is: 477,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,304 : 502,957.22 = 318,485.97 : x
  2. Step 2: Convert to fraction form
    335,304/502,957.22 = 318,485.97/x
  3. Step 3: Cross multiply
    335,304x = 502,957.22 × 318,485.97
  4. Step 4: Simplify right side
    335,304x = 160,184,816,487.77
  5. Step 5: Solve for x
    x = 160,184,816,487.77/335,304
  6. Step 6: Final answer
    x = 477,730.11

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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.