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Finding the Fourth Proportional to 556,117.88, 834,165.20 and 177,064.76

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Solution

The fourth proportional to 556,117.88, 834,165.20 and 177,064.76 is: 265,593.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,117.88 : 834,165.20 = 177,064.76 : x
  2. Step 2: Convert to fraction form
    556,117.88/834,165.20 = 177,064.76/x
  3. Step 3: Cross multiply
    556,117.88x = 834,165.20 × 177,064.76
  4. Step 4: Simplify right side
    556,117.88x = 147,701,260,373.35
  5. Step 5: Solve for x
    x = 147,701,260,373.35/556,117.88
  6. Step 6: Final answer
    x = 265,593.44

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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.