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Finding the Fourth Proportional to 556,779.60, 834,892.56 and 177,650.64

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Solution

The fourth proportional to 556,779.60, 834,892.56 and 177,650.64 is: 266,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,779.60 : 834,892.56 = 177,650.64 : x
  2. Step 2: Convert to fraction form
    556,779.60/834,892.56 = 177,650.64/x
  3. Step 3: Cross multiply
    556,779.60x = 834,892.56 × 177,650.64
  4. Step 4: Simplify right side
    556,779.60x = 148,319,197,615.24
  5. Step 5: Solve for x
    x = 148,319,197,615.24/556,779.60
  6. Step 6: Final answer
    x = 266,387.63

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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.