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Finding the Fourth Proportional to 514,042.58, 771,115.50 and 177,038.84

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Solution

The fourth proportional to 514,042.58, 771,115.50 and 177,038.84 is: 265,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,042.58 : 771,115.50 = 177,038.84 : x
  2. Step 2: Convert to fraction form
    514,042.58/771,115.50 = 177,038.84/x
  3. Step 3: Cross multiply
    514,042.58x = 771,115.50 × 177,038.84
  4. Step 4: Simplify right side
    514,042.58x = 136,517,393,626.02
  5. Step 5: Solve for x
    x = 136,517,393,626.02/514,042.58
  6. Step 6: Final answer
    x = 265,576.04

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1.5x scale

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.