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Finding the Fourth Proportional to 480,493.62, 720,806.65 and 164,909.52

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Solution

The fourth proportional to 480,493.62, 720,806.65 and 164,909.52 is: 247,387.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,493.62 : 720,806.65 = 164,909.52 : x
  2. Step 2: Convert to fraction form
    480,493.62/720,806.65 = 164,909.52/x
  3. Step 3: Cross multiply
    480,493.62x = 720,806.65 × 164,909.52
  4. Step 4: Simplify right side
    480,493.62x = 118,867,878,252.03
  5. Step 5: Solve for x
    x = 118,867,878,252.03/480,493.62
  6. Step 6: Final answer
    x = 247,387.01

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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.