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Finding the Fourth Proportional to 706,893.57, 976,101.71 and 655,607.61

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Solution

The fourth proportional to 706,893.57, 976,101.71 and 655,607.61 is: 905,284.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,893.57 : 976,101.71 = 655,607.61 : x
  2. Step 2: Convert to fraction form
    706,893.57/976,101.71 = 655,607.61/x
  3. Step 3: Cross multiply
    706,893.57x = 976,101.71 × 655,607.61
  4. Step 4: Simplify right side
    706,893.57x = 639,939,705,931.98
  5. Step 5: Solve for x
    x = 639,939,705,931.98/706,893.57
  6. Step 6: Final answer
    x = 905,284.38

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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.