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Finding the Fourth Proportional to 637,200.87, 879,330.33 and 350,714.76

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Solution

The fourth proportional to 637,200.87, 879,330.33 and 350,714.76 is: 483,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,200.87 : 879,330.33 = 350,714.76 : x
  2. Step 2: Convert to fraction form
    637,200.87/879,330.33 = 350,714.76/x
  3. Step 3: Cross multiply
    637,200.87x = 879,330.33 × 350,714.76
  4. Step 4: Simplify right side
    637,200.87x = 308,394,125,646.67
  5. Step 5: Solve for x
    x = 308,394,125,646.67/637,200.87
  6. Step 6: Final answer
    x = 483,982.59

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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.