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Finding the Fourth Proportional to 368,585.52, 552,528 and 144,089.88

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Solution

The fourth proportional to 368,585.52, 552,528 and 144,089.88 is: 215,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,585.52 : 552,528 = 144,089.88 : x
  2. Step 2: Convert to fraction form
    368,585.52/552,528 = 144,089.88/x
  3. Step 3: Cross multiply
    368,585.52x = 552,528 × 144,089.88
  4. Step 4: Simplify right side
    368,585.52x = 79,613,693,216.64
  5. Step 5: Solve for x
    x = 79,613,693,216.64/368,585.52
  6. Step 6: Final answer
    x = 215,997.89

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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.