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Finding the Fourth Proportional to 275,246.10, 412,869.15 and 240,254.10

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Solution

The fourth proportional to 275,246.10, 412,869.15 and 240,254.10 is: 360,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,246.10 : 412,869.15 = 240,254.10 : x
  2. Step 2: Convert to fraction form
    275,246.10/412,869.15 = 240,254.10/x
  3. Step 3: Cross multiply
    275,246.10x = 412,869.15 × 240,254.10
  4. Step 4: Simplify right side
    275,246.10x = 99,193,506,051.02
  5. Step 5: Solve for x
    x = 99,193,506,051.02/275,246.10
  6. Step 6: Final answer
    x = 360,381.15

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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.