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Finding the Fourth Proportional to 556,909.20, 835,363.80 and 162,925.20

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Solution

The fourth proportional to 556,909.20, 835,363.80 and 162,925.20 is: 244,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,909.20 : 835,363.80 = 162,925.20 : x
  2. Step 2: Convert to fraction form
    556,909.20/835,363.80 = 162,925.20/x
  3. Step 3: Cross multiply
    556,909.20x = 835,363.80 × 162,925.20
  4. Step 4: Simplify right side
    556,909.20x = 136,101,814,187.76
  5. Step 5: Solve for x
    x = 136,101,814,187.76/556,909.20
  6. Step 6: Final answer
    x = 244,387.80

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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.