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Finding the Fourth Proportional to 887,098.85, 1,223,810.16 and 542,950.10

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Solution

The fourth proportional to 887,098.85, 1,223,810.16 and 542,950.10 is: 749,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,098.85 : 1,223,810.16 = 542,950.10 : x
  2. Step 2: Convert to fraction form
    887,098.85/1,223,810.16 = 542,950.10/x
  3. Step 3: Cross multiply
    887,098.85x = 1,223,810.16 × 542,950.10
  4. Step 4: Simplify right side
    887,098.85x = 664,467,848,753.02
  5. Step 5: Solve for x
    x = 664,467,848,753.02/887,098.85
  6. Step 6: Final answer
    x = 749,034.73

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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.