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Finding the Fourth Proportional to 556,411.48, 834,678.60 and 177,244

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Solution

The fourth proportional to 556,411.48, 834,678.60 and 177,244 is: 265,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,411.48 : 834,678.60 = 177,244 : x
  2. Step 2: Convert to fraction form
    556,411.48/834,678.60 = 177,244/x
  3. Step 3: Cross multiply
    556,411.48x = 834,678.60 × 177,244
  4. Step 4: Simplify right side
    556,411.48x = 147,941,773,778.40
  5. Step 5: Solve for x
    x = 147,941,773,778.40/556,411.48
  6. Step 6: Final answer
    x = 265,885.55

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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.