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Finding the Fourth Proportional to 522,278.56, 783,436.41 and 167,246.45

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Solution

The fourth proportional to 522,278.56, 783,436.41 and 167,246.45 is: 250,875.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,278.56 : 783,436.41 = 167,246.45 : x
  2. Step 2: Convert to fraction form
    522,278.56/783,436.41 = 167,246.45/x
  3. Step 3: Cross multiply
    522,278.56x = 783,436.41 × 167,246.45
  4. Step 4: Simplify right side
    522,278.56x = 131,026,958,373.25
  5. Step 5: Solve for x
    x = 131,026,958,373.25/522,278.56
  6. Step 6: Final answer
    x = 250,875.62

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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.