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Finding the Fourth Proportional to 749,850, 1,034,793.09 and 410,318.34

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Solution

The fourth proportional to 749,850, 1,034,793.09 and 410,318.34 is: 566,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,850 : 1,034,793.09 = 410,318.34 : x
  2. Step 2: Convert to fraction form
    749,850/1,034,793.09 = 410,318.34/x
  3. Step 3: Cross multiply
    749,850x = 1,034,793.09 × 410,318.34
  4. Step 4: Simplify right side
    749,850x = 424,594,582,932.27
  5. Step 5: Solve for x
    x = 424,594,582,932.27/749,850
  6. Step 6: Final answer
    x = 566,239.36

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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.