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Finding the Fourth Proportional to 532,840.80, 799,358.40 and 217,329.60

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Solution

The fourth proportional to 532,840.80, 799,358.40 and 217,329.60 is: 326,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,840.80 : 799,358.40 = 217,329.60 : x
  2. Step 2: Convert to fraction form
    532,840.80/799,358.40 = 217,329.60/x
  3. Step 3: Cross multiply
    532,840.80x = 799,358.40 × 217,329.60
  4. Step 4: Simplify right side
    532,840.80x = 173,724,241,328.64
  5. Step 5: Solve for x
    x = 173,724,241,328.64/532,840.80
  6. Step 6: Final answer
    x = 326,034.04

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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.