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Finding the Fourth Proportional to 487,424.44, 731,090.52 and 150,374.56

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Solution

The fourth proportional to 487,424.44, 731,090.52 and 150,374.56 is: 225,547.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,424.44 : 731,090.52 = 150,374.56 : x
  2. Step 2: Convert to fraction form
    487,424.44/731,090.52 = 150,374.56/x
  3. Step 3: Cross multiply
    487,424.44x = 731,090.52 × 150,374.56
  4. Step 4: Simplify right side
    487,424.44x = 109,937,415,265.17
  5. Step 5: Solve for x
    x = 109,937,415,265.17/487,424.44
  6. Step 6: Final answer
    x = 225,547.61

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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.