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Finding the Fourth Proportional to 486,748.17, 730,148.04 and 150,020.10

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Solution

The fourth proportional to 486,748.17, 730,148.04 and 150,020.10 is: 225,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,748.17 : 730,148.04 = 150,020.10 : x
  2. Step 2: Convert to fraction form
    486,748.17/730,148.04 = 150,020.10/x
  3. Step 3: Cross multiply
    486,748.17x = 730,148.04 × 150,020.10
  4. Step 4: Simplify right side
    486,748.17x = 109,536,881,975.60
  5. Step 5: Solve for x
    x = 109,536,881,975.60/486,748.17
  6. Step 6: Final answer
    x = 225,038.10

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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.