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Finding the Fourth Proportional to 224,479.15, 309,895.51 and 173,377.16

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Solution

The fourth proportional to 224,479.15, 309,895.51 and 173,377.16 is: 239,348.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,479.15 : 309,895.51 = 173,377.16 : x
  2. Step 2: Convert to fraction form
    224,479.15/309,895.51 = 173,377.16/x
  3. Step 3: Cross multiply
    224,479.15x = 309,895.51 × 173,377.16
  4. Step 4: Simplify right side
    224,479.15x = 53,728,802,681.01
  5. Step 5: Solve for x
    x = 53,728,802,681.01/224,479.15
  6. Step 6: Final answer
    x = 239,348.75

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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.