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Finding the Fourth Proportional to 500,019.48, 750,111.84 and 162,962.28

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Solution

The fourth proportional to 500,019.48, 750,111.84 and 162,962.28 is: 244,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,019.48 : 750,111.84 = 162,962.28 : x
  2. Step 2: Convert to fraction form
    500,019.48/750,111.84 = 162,962.28/x
  3. Step 3: Cross multiply
    500,019.48x = 750,111.84 × 162,962.28
  4. Step 4: Simplify right side
    500,019.48x = 122,239,935,701.40
  5. Step 5: Solve for x
    x = 122,239,935,701.40/500,019.48
  6. Step 6: Final answer
    x = 244,470.35

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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.