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Finding the Fourth Proportional to 706,895.57, 976,104.47 and 655,609.61

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Solution

The fourth proportional to 706,895.57, 976,104.47 and 655,609.61 is: 905,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,895.57 : 976,104.47 = 655,609.61 : x
  2. Step 2: Convert to fraction form
    706,895.57/976,104.47 = 655,609.61/x
  3. Step 3: Cross multiply
    706,895.57x = 976,104.47 × 655,609.61
  4. Step 4: Simplify right side
    706,895.57x = 639,943,470,895.96
  5. Step 5: Solve for x
    x = 639,943,470,895.96/706,895.57
  6. Step 6: Final answer
    x = 905,287.14

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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.