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Finding the Fourth Proportional to 696,353.80, 960,882.24 and 424,322.56

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Solution

The fourth proportional to 696,353.80, 960,882.24 and 424,322.56 is: 585,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,353.80 : 960,882.24 = 424,322.56 : x
  2. Step 2: Convert to fraction form
    696,353.80/960,882.24 = 424,322.56/x
  3. Step 3: Cross multiply
    696,353.80x = 960,882.24 × 424,322.56
  4. Step 4: Simplify right side
    696,353.80x = 407,724,011,935.33
  5. Step 5: Solve for x
    x = 407,724,011,935.33/696,353.80
  6. Step 6: Final answer
    x = 585,512.73

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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.