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Finding the Fourth Proportional to 487,262.02, 731,019.15 and 150,295.30

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Solution

The fourth proportional to 487,262.02, 731,019.15 and 150,295.30 is: 225,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,262.02 : 731,019.15 = 150,295.30 : x
  2. Step 2: Convert to fraction form
    487,262.02/731,019.15 = 150,295.30/x
  3. Step 3: Cross multiply
    487,262.02x = 731,019.15 × 150,295.30
  4. Step 4: Simplify right side
    487,262.02x = 109,868,742,455.00
  5. Step 5: Solve for x
    x = 109,868,742,455.00/487,262.02
  6. Step 6: Final answer
    x = 225,481.85

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1.5x scale

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.