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Finding the Fourth Proportional to 542,108.08, 748,125.55 and 300,368.04

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Solution

The fourth proportional to 542,108.08, 748,125.55 and 300,368.04 is: 414,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,108.08 : 748,125.55 = 300,368.04 : x
  2. Step 2: Convert to fraction form
    542,108.08/748,125.55 = 300,368.04/x
  3. Step 3: Cross multiply
    542,108.08x = 748,125.55 × 300,368.04
  4. Step 4: Simplify right side
    542,108.08x = 224,713,005,127.42
  5. Step 5: Solve for x
    x = 224,713,005,127.42/542,108.08
  6. Step 6: Final answer
    x = 414,516.98

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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.