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Finding the Fourth Proportional to 696,862.53, 962,082.54 and 438,960.57

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Solution

The fourth proportional to 696,862.53, 962,082.54 and 438,960.57 is: 606,025.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,862.53 : 962,082.54 = 438,960.57 : x
  2. Step 2: Convert to fraction form
    696,862.53/962,082.54 = 438,960.57/x
  3. Step 3: Cross multiply
    696,862.53x = 962,082.54 × 438,960.57
  4. Step 4: Simplify right side
    696,862.53x = 422,316,300,145.45
  5. Step 5: Solve for x
    x = 422,316,300,145.45/696,862.53
  6. Step 6: Final answer
    x = 606,025.27

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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.