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Finding the Fourth Proportional to 664,065.95, 995,343.89 and 583,946.91

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Solution

The fourth proportional to 664,065.95, 995,343.89 and 583,946.91 is: 875,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,065.95 : 995,343.89 = 583,946.91 : x
  2. Step 2: Convert to fraction form
    664,065.95/995,343.89 = 583,946.91/x
  3. Step 3: Cross multiply
    664,065.95x = 995,343.89 × 583,946.91
  4. Step 4: Simplify right side
    664,065.95x = 581,227,986,033.15
  5. Step 5: Solve for x
    x = 581,227,986,033.15/664,065.95
  6. Step 6: Final answer
    x = 875,256.43

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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.