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Finding the Fourth Proportional to 508,812.35, 763,329.23 and 153,817.10

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Solution

The fourth proportional to 508,812.35, 763,329.23 and 153,817.10 is: 230,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,812.35 : 763,329.23 = 153,817.10 : x
  2. Step 2: Convert to fraction form
    508,812.35/763,329.23 = 153,817.10/x
  3. Step 3: Cross multiply
    508,812.35x = 763,329.23 × 153,817.10
  4. Step 4: Simplify right side
    508,812.35x = 117,413,087,734.75
  5. Step 5: Solve for x
    x = 117,413,087,734.75/508,812.35
  6. Step 6: Final answer
    x = 230,759.12

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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.