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Finding the Fourth Proportional to 370,857.60, 557,452.80 and 363,859.20

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Solution

The fourth proportional to 370,857.60, 557,452.80 and 363,859.20 is: 546,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,857.60 : 557,452.80 = 363,859.20 : x
  2. Step 2: Convert to fraction form
    370,857.60/557,452.80 = 363,859.20/x
  3. Step 3: Cross multiply
    370,857.60x = 557,452.80 × 363,859.20
  4. Step 4: Simplify right side
    370,857.60x = 202,834,329,845.76
  5. Step 5: Solve for x
    x = 202,834,329,845.76/370,857.60
  6. Step 6: Final answer
    x = 546,933.19

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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.