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Finding the Fourth Proportional to 696,903.79, 961,610.64 and 410,480.92

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Solution

The fourth proportional to 696,903.79, 961,610.64 and 410,480.92 is: 566,395.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,903.79 : 961,610.64 = 410,480.92 : x
  2. Step 2: Convert to fraction form
    696,903.79/961,610.64 = 410,480.92/x
  3. Step 3: Cross multiply
    696,903.79x = 961,610.64 × 410,480.92
  4. Step 4: Simplify right side
    696,903.79x = 394,722,820,188.99
  5. Step 5: Solve for x
    x = 394,722,820,188.99/696,903.79
  6. Step 6: Final answer
    x = 566,395.00

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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.