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Finding the Fourth Proportional to 362,117.20, 542,592.60 and 302,630.80

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Solution

The fourth proportional to 362,117.20, 542,592.60 and 302,630.80 is: 453,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,117.20 : 542,592.60 = 302,630.80 : x
  2. Step 2: Convert to fraction form
    362,117.20/542,592.60 = 302,630.80/x
  3. Step 3: Cross multiply
    362,117.20x = 542,592.60 × 302,630.80
  4. Step 4: Simplify right side
    362,117.20x = 164,205,232,612.08
  5. Step 5: Solve for x
    x = 164,205,232,612.08/362,117.20
  6. Step 6: Final answer
    x = 453,458.80

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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.