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Finding the Fourth Proportional to 700,882.80, 967,218.65 and 378,592.90

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Solution

The fourth proportional to 700,882.80, 967,218.65 and 378,592.90 is: 522,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,882.80 : 967,218.65 = 378,592.90 : x
  2. Step 2: Convert to fraction form
    700,882.80/967,218.65 = 378,592.90/x
  3. Step 3: Cross multiply
    700,882.80x = 967,218.65 × 378,592.90
  4. Step 4: Simplify right side
    700,882.80x = 366,182,113,637.59
  5. Step 5: Solve for x
    x = 366,182,113,637.59/700,882.80
  6. Step 6: Final answer
    x = 522,458.41

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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.