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Finding the Fourth Proportional to 368,234.64, 552,128.40 and 240,246

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Solution

The fourth proportional to 368,234.64, 552,128.40 and 240,246 is: 360,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,234.64 : 552,128.40 = 240,246 : x
  2. Step 2: Convert to fraction form
    368,234.64/552,128.40 = 240,246/x
  3. Step 3: Cross multiply
    368,234.64x = 552,128.40 × 240,246
  4. Step 4: Simplify right side
    368,234.64x = 132,646,639,586.40
  5. Step 5: Solve for x
    x = 132,646,639,586.40/368,234.64
  6. Step 6: Final answer
    x = 360,223.14

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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.