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Finding the Fourth Proportional to 886,841.80, 1,330,262.70 and 532,256.20

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Solution

The fourth proportional to 886,841.80, 1,330,262.70 and 532,256.20 is: 798,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,841.80 : 1,330,262.70 = 532,256.20 : x
  2. Step 2: Convert to fraction form
    886,841.80/1,330,262.70 = 532,256.20/x
  3. Step 3: Cross multiply
    886,841.80x = 1,330,262.70 × 532,256.20
  4. Step 4: Simplify right side
    886,841.80x = 708,040,569,703.74
  5. Step 5: Solve for x
    x = 708,040,569,703.74/886,841.80
  6. Step 6: Final answer
    x = 798,384.30

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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.