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Finding the Fourth Proportional to 365,006.80, 547,510.17 and 115,688.80

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Solution

The fourth proportional to 365,006.80, 547,510.17 and 115,688.80 is: 173,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,006.80 : 547,510.17 = 115,688.80 : x
  2. Step 2: Convert to fraction form
    365,006.80/547,510.17 = 115,688.80/x
  3. Step 3: Cross multiply
    365,006.80x = 547,510.17 × 115,688.80
  4. Step 4: Simplify right side
    365,006.80x = 63,340,794,555.10
  5. Step 5: Solve for x
    x = 63,340,794,555.10/365,006.80
  6. Step 6: Final answer
    x = 173,533.19

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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.