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Finding the Fourth Proportional to 261,384.40, 392,368.20 and 244,252.90

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Solution

The fourth proportional to 261,384.40, 392,368.20 and 244,252.90 is: 366,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,384.40 : 392,368.20 = 244,252.90 : x
  2. Step 2: Convert to fraction form
    261,384.40/392,368.20 = 244,252.90/x
  3. Step 3: Cross multiply
    261,384.40x = 392,368.20 × 244,252.90
  4. Step 4: Simplify right side
    261,384.40x = 95,837,070,717.78
  5. Step 5: Solve for x
    x = 95,837,070,717.78/261,384.40
  6. Step 6: Final answer
    x = 366,651.84

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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.