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Finding the Fourth Proportional to 514,292.59, 771,489.56 and 177,288.89

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Solution

The fourth proportional to 514,292.59, 771,489.56 and 177,288.89 is: 265,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,292.59 : 771,489.56 = 177,288.89 : x
  2. Step 2: Convert to fraction form
    514,292.59/771,489.56 = 177,288.89/x
  3. Step 3: Cross multiply
    514,292.59x = 771,489.56 × 177,288.89
  4. Step 4: Simplify right side
    514,292.59x = 136,776,524,324.76
  5. Step 5: Solve for x
    x = 136,776,524,324.76/514,292.59
  6. Step 6: Final answer
    x = 265,950.80

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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.