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Finding the Fourth Proportional to 695,812.28, 960,683.49 and 534,378.87

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Solution

The fourth proportional to 695,812.28, 960,683.49 and 534,378.87 is: 737,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,812.28 : 960,683.49 = 534,378.87 : x
  2. Step 2: Convert to fraction form
    695,812.28/960,683.49 = 534,378.87/x
  3. Step 3: Cross multiply
    695,812.28x = 960,683.49 × 534,378.87
  4. Step 4: Simplify right side
    695,812.28x = 513,368,957,813.86
  5. Step 5: Solve for x
    x = 513,368,957,813.86/695,812.28
  6. Step 6: Final answer
    x = 737,798.08

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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.