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Finding the Fourth Proportional to 868,565.60, 1,302,858.12 and 363,203.36

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Solution

The fourth proportional to 868,565.60, 1,302,858.12 and 363,203.36 is: 544,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,565.60 : 1,302,858.12 = 363,203.36 : x
  2. Step 2: Convert to fraction form
    868,565.60/1,302,858.12 = 363,203.36/x
  3. Step 3: Cross multiply
    868,565.60x = 1,302,858.12 × 363,203.36
  4. Step 4: Simplify right side
    868,565.60x = 473,202,446,787.28
  5. Step 5: Solve for x
    x = 473,202,446,787.28/868,565.60
  6. Step 6: Final answer
    x = 544,809.10

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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.