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Finding the Fourth Proportional to 532,856.80, 799,382.40 and 217,345.60

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Solution

The fourth proportional to 532,856.80, 799,382.40 and 217,345.60 is: 326,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,856.80 : 799,382.40 = 217,345.60 : x
  2. Step 2: Convert to fraction form
    532,856.80/799,382.40 = 217,345.60/x
  3. Step 3: Cross multiply
    532,856.80x = 799,382.40 × 217,345.60
  4. Step 4: Simplify right side
    532,856.80x = 173,742,247,357.44
  5. Step 5: Solve for x
    x = 173,742,247,357.44/532,856.80
  6. Step 6: Final answer
    x = 326,058.05

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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.