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Finding the Fourth Proportional to 406,351.98, 609,528.24 and 239,038.56

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Solution

The fourth proportional to 406,351.98, 609,528.24 and 239,038.56 is: 358,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,351.98 : 609,528.24 = 239,038.56 : x
  2. Step 2: Convert to fraction form
    406,351.98/609,528.24 = 239,038.56/x
  3. Step 3: Cross multiply
    406,351.98x = 609,528.24 × 239,038.56
  4. Step 4: Simplify right side
    406,351.98x = 145,700,752,768.93
  5. Step 5: Solve for x
    x = 145,700,752,768.93/406,351.98
  6. Step 6: Final answer
    x = 358,558.00

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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.