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Finding the Fourth Proportional to 655,923.40, 983,885.10 and 591,641.80

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Solution

The fourth proportional to 655,923.40, 983,885.10 and 591,641.80 is: 887,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,923.40 : 983,885.10 = 591,641.80 : x
  2. Step 2: Convert to fraction form
    655,923.40/983,885.10 = 591,641.80/x
  3. Step 3: Cross multiply
    655,923.40x = 983,885.10 × 591,641.80
  4. Step 4: Simplify right side
    655,923.40x = 582,107,551,557.18
  5. Step 5: Solve for x
    x = 582,107,551,557.18/655,923.40
  6. Step 6: Final answer
    x = 887,462.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.