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Finding the Fourth Proportional to 480,417.28, 720,655.63 and 160,597.92

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Solution

The fourth proportional to 480,417.28, 720,655.63 and 160,597.92 is: 240,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,417.28 : 720,655.63 = 160,597.92 : x
  2. Step 2: Convert to fraction form
    480,417.28/720,655.63 = 160,597.92/x
  3. Step 3: Cross multiply
    480,417.28x = 720,655.63 × 160,597.92
  4. Step 4: Simplify right side
    480,417.28x = 115,735,798,418.62
  5. Step 5: Solve for x
    x = 115,735,798,418.62/480,417.28
  6. Step 6: Final answer
    x = 240,906.82

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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.