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Finding the Fourth Proportional to 636,525.18, 878,387.24 and 350,045.27

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Solution

The fourth proportional to 636,525.18, 878,387.24 and 350,045.27 is: 483,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,525.18 : 878,387.24 = 350,045.27 : x
  2. Step 2: Convert to fraction form
    636,525.18/878,387.24 = 350,045.27/x
  3. Step 3: Cross multiply
    636,525.18x = 878,387.24 × 350,045.27
  4. Step 4: Simplify right side
    636,525.18x = 307,475,295,535.88
  5. Step 5: Solve for x
    x = 307,475,295,535.88/636,525.18
  6. Step 6: Final answer
    x = 483,052.84

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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.