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Finding the Fourth Proportional to 273,386.10, 410,079.15 and 168,264.30

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Solution

The fourth proportional to 273,386.10, 410,079.15 and 168,264.30 is: 252,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,386.10 : 410,079.15 = 168,264.30 : x
  2. Step 2: Convert to fraction form
    273,386.10/410,079.15 = 168,264.30/x
  3. Step 3: Cross multiply
    273,386.10x = 410,079.15 × 168,264.30
  4. Step 4: Simplify right side
    273,386.10x = 69,001,681,119.35
  5. Step 5: Solve for x
    x = 69,001,681,119.35/273,386.10
  6. Step 6: Final answer
    x = 252,396.45

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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.