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Finding the Fourth Proportional to 585,011.76, 877,517.64 and 141,779.76

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Solution

The fourth proportional to 585,011.76, 877,517.64 and 141,779.76 is: 212,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,011.76 : 877,517.64 = 141,779.76 : x
  2. Step 2: Convert to fraction form
    585,011.76/877,517.64 = 141,779.76/x
  3. Step 3: Cross multiply
    585,011.76x = 877,517.64 × 141,779.76
  4. Step 4: Simplify right side
    585,011.76x = 124,414,240,394.97
  5. Step 5: Solve for x
    x = 124,414,240,394.97/585,011.76
  6. Step 6: Final answer
    x = 212,669.64

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Similar ratio
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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.