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Finding the Fourth Proportional to 401,024.46, 553,500.36 and 239,915.46

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Solution

The fourth proportional to 401,024.46, 553,500.36 and 239,915.46 is: 331,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,024.46 : 553,500.36 = 239,915.46 : x
  2. Step 2: Convert to fraction form
    401,024.46/553,500.36 = 239,915.46/x
  3. Step 3: Cross multiply
    401,024.46x = 553,500.36 × 239,915.46
  4. Step 4: Simplify right side
    401,024.46x = 132,793,293,479.57
  5. Step 5: Solve for x
    x = 132,793,293,479.57/401,024.46
  6. Step 6: Final answer
    x = 331,135.15

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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.