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Finding the Fourth Proportional to 542,070.50, 748,046.21 and 300,352.32

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Solution

The fourth proportional to 542,070.50, 748,046.21 and 300,352.32 is: 414,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,070.50 : 748,046.21 = 300,352.32 : x
  2. Step 2: Convert to fraction form
    542,070.50/748,046.21 = 300,352.32/x
  3. Step 3: Cross multiply
    542,070.50x = 748,046.21 × 300,352.32
  4. Step 4: Simplify right side
    542,070.50x = 224,677,413,138.95
  5. Step 5: Solve for x
    x = 224,677,413,138.95/542,070.50
  6. Step 6: Final answer
    x = 414,480.06

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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.