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Finding the Fourth Proportional to 292,281.80, 403,308.40 and 163,204.52

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Solution

The fourth proportional to 292,281.80, 403,308.40 and 163,204.52 is: 225,199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,281.80 : 403,308.40 = 163,204.52 : x
  2. Step 2: Convert to fraction form
    292,281.80/403,308.40 = 163,204.52/x
  3. Step 3: Cross multiply
    292,281.80x = 403,308.40 × 163,204.52
  4. Step 4: Simplify right side
    292,281.80x = 65,821,753,833.97
  5. Step 5: Solve for x
    x = 65,821,753,833.97/292,281.80
  6. Step 6: Final answer
    x = 225,199.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.