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Finding the Fourth Proportional to 868,712.60, 1,302,032.10 and 363,272.60

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Solution

The fourth proportional to 868,712.60, 1,302,032.10 and 363,272.60 is: 544,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,712.60 : 1,302,032.10 = 363,272.60 : x
  2. Step 2: Convert to fraction form
    868,712.60/1,302,032.10 = 363,272.60/x
  3. Step 3: Cross multiply
    868,712.60x = 1,302,032.10 × 363,272.60
  4. Step 4: Simplify right side
    868,712.60x = 472,992,586,250.46
  5. Step 5: Solve for x
    x = 472,992,586,250.46/868,712.60
  6. Step 6: Final answer
    x = 544,475.34

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Double scale
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1.5x scale

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.