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Finding the Fourth Proportional to 696,130.86, 958,863.70 and 491,827.13

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Solution

The fourth proportional to 696,130.86, 958,863.70 and 491,827.13 is: 677,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,130.86 : 958,863.70 = 491,827.13 : x
  2. Step 2: Convert to fraction form
    696,130.86/958,863.70 = 491,827.13/x
  3. Step 3: Cross multiply
    696,130.86x = 958,863.70 × 491,827.13
  4. Step 4: Simplify right side
    696,130.86x = 471,595,186,441.99
  5. Step 5: Solve for x
    x = 471,595,186,441.99/696,130.86
  6. Step 6: Final answer
    x = 677,451.91

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Double scale
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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.