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Finding the Fourth Proportional to 542,208.15, 748,247.22 and 300,527.04

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Solution

The fourth proportional to 542,208.15, 748,247.22 and 300,527.04 is: 414,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,208.15 : 748,247.22 = 300,527.04 : x
  2. Step 2: Convert to fraction form
    542,208.15/748,247.22 = 300,527.04/x
  3. Step 3: Cross multiply
    542,208.15x = 748,247.22 × 300,527.04
  4. Step 4: Simplify right side
    542,208.15x = 224,868,522,214.83
  5. Step 5: Solve for x
    x = 224,868,522,214.83/542,208.15
  6. Step 6: Final answer
    x = 414,727.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.