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Finding the Fourth Proportional to 501,505.02, 752,262.39 and 127,528.02

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Solution

The fourth proportional to 501,505.02, 752,262.39 and 127,528.02 is: 191,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,505.02 : 752,262.39 = 127,528.02 : x
  2. Step 2: Convert to fraction form
    501,505.02/752,262.39 = 127,528.02/x
  3. Step 3: Cross multiply
    501,505.02x = 752,262.39 × 127,528.02
  4. Step 4: Simplify right side
    501,505.02x = 95,934,533,117.17
  5. Step 5: Solve for x
    x = 95,934,533,117.17/501,505.02
  6. Step 6: Final answer
    x = 191,293.27

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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.