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Finding the Fourth Proportional to 706,867.32, 976,065.50 and 655,581.36

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Solution

The fourth proportional to 706,867.32, 976,065.50 and 655,581.36 is: 905,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,867.32 : 976,065.50 = 655,581.36 : x
  2. Step 2: Convert to fraction form
    706,867.32/976,065.50 = 655,581.36/x
  3. Step 3: Cross multiply
    706,867.32x = 976,065.50 × 655,581.36
  4. Step 4: Simplify right side
    706,867.32x = 639,890,347,939.08
  5. Step 5: Solve for x
    x = 639,890,347,939.08/706,867.32
  6. Step 6: Final answer
    x = 905,248.17

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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.