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Finding the Fourth Proportional to 592,148.40, 887,639.40 and 292,675.20

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Solution

The fourth proportional to 592,148.40, 887,639.40 and 292,675.20 is: 438,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,148.40 : 887,639.40 = 292,675.20 : x
  2. Step 2: Convert to fraction form
    592,148.40/887,639.40 = 292,675.20/x
  3. Step 3: Cross multiply
    592,148.40x = 887,639.40 × 292,675.20
  4. Step 4: Simplify right side
    592,148.40x = 259,790,038,922.88
  5. Step 5: Solve for x
    x = 259,790,038,922.88/592,148.40
  6. Step 6: Final answer
    x = 438,724.55

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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.