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Finding the Fourth Proportional to 480,064.48, 719,591.28 and 160,130.68

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Solution

The fourth proportional to 480,064.48, 719,591.28 and 160,130.68 is: 240,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,064.48 : 719,591.28 = 160,130.68 : x
  2. Step 2: Convert to fraction form
    480,064.48/719,591.28 = 160,130.68/x
  3. Step 3: Cross multiply
    480,064.48x = 719,591.28 × 160,130.68
  4. Step 4: Simplify right side
    480,064.48x = 115,228,640,988.47
  5. Step 5: Solve for x
    x = 115,228,640,988.47/480,064.48
  6. Step 6: Final answer
    x = 240,027.43

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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.