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Finding the Fourth Proportional to 544,719.78, 817,210.92 and 170,742.78

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Solution

The fourth proportional to 544,719.78, 817,210.92 and 170,742.78 is: 256,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,719.78 : 817,210.92 = 170,742.78 : x
  2. Step 2: Convert to fraction form
    544,719.78/817,210.92 = 170,742.78/x
  3. Step 3: Cross multiply
    544,719.78x = 817,210.92 × 170,742.78
  4. Step 4: Simplify right side
    544,719.78x = 139,532,864,327.16
  5. Step 5: Solve for x
    x = 139,532,864,327.16/544,719.78
  6. Step 6: Final answer
    x = 256,155.31

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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.