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Finding the Fourth Proportional to 587,400.72, 881,393.76 and 232,670.40

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Solution

The fourth proportional to 587,400.72, 881,393.76 and 232,670.40 is: 349,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,400.72 : 881,393.76 = 232,670.40 : x
  2. Step 2: Convert to fraction form
    587,400.72/881,393.76 = 232,670.40/x
  3. Step 3: Cross multiply
    587,400.72x = 881,393.76 × 232,670.40
  4. Step 4: Simplify right side
    587,400.72x = 205,074,238,696.70
  5. Step 5: Solve for x
    x = 205,074,238,696.70/587,400.72
  6. Step 6: Final answer
    x = 349,121.53

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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.