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Finding the Fourth Proportional to 244,642.30, 366,963.45 and 139,666.30

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Solution

The fourth proportional to 244,642.30, 366,963.45 and 139,666.30 is: 209,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,642.30 : 366,963.45 = 139,666.30 : x
  2. Step 2: Convert to fraction form
    244,642.30/366,963.45 = 139,666.30/x
  3. Step 3: Cross multiply
    244,642.30x = 366,963.45 × 139,666.30
  4. Step 4: Simplify right side
    244,642.30x = 51,252,427,296.74
  5. Step 5: Solve for x
    x = 51,252,427,296.74/244,642.30
  6. Step 6: Final answer
    x = 209,499.45

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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.