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Finding the Fourth Proportional to 654,874.50, 982,475.25 and 228,416.46

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Solution

The fourth proportional to 654,874.50, 982,475.25 and 228,416.46 is: 342,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,874.50 : 982,475.25 = 228,416.46 : x
  2. Step 2: Convert to fraction form
    654,874.50/982,475.25 = 228,416.46/x
  3. Step 3: Cross multiply
    654,874.50x = 982,475.25 × 228,416.46
  4. Step 4: Simplify right side
    654,874.50x = 224,413,518,642.62
  5. Step 5: Solve for x
    x = 224,413,518,642.62/654,874.50
  6. Step 6: Final answer
    x = 342,681.72

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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.