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Finding the Fourth Proportional to 544,767.44, 817,148.42 and 139,959.20

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Solution

The fourth proportional to 544,767.44, 817,148.42 and 139,959.20 is: 209,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,767.44 : 817,148.42 = 139,959.20 : x
  2. Step 2: Convert to fraction form
    544,767.44/817,148.42 = 139,959.20/x
  3. Step 3: Cross multiply
    544,767.44x = 817,148.42 × 139,959.20
  4. Step 4: Simplify right side
    544,767.44x = 114,367,439,144.46
  5. Step 5: Solve for x
    x = 114,367,439,144.46/544,767.44
  6. Step 6: Final answer
    x = 209,938.10

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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.