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Finding the Fourth Proportional to 886,770.50, 1,223,304.86 and 524,018.88

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Solution

The fourth proportional to 886,770.50, 1,223,304.86 and 524,018.88 is: 722,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,770.50 : 1,223,304.86 = 524,018.88 : x
  2. Step 2: Convert to fraction form
    886,770.50/1,223,304.86 = 524,018.88/x
  3. Step 3: Cross multiply
    886,770.50x = 1,223,304.86 × 524,018.88
  4. Step 4: Simplify right side
    886,770.50x = 641,034,843,945.80
  5. Step 5: Solve for x
    x = 641,034,843,945.80/886,770.50
  6. Step 6: Final answer
    x = 722,886.98

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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.