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Finding the Fourth Proportional to 532,875.40, 799,313.10 and 413,902.60

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Solution

The fourth proportional to 532,875.40, 799,313.10 and 413,902.60 is: 620,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,875.40 : 799,313.10 = 413,902.60 : x
  2. Step 2: Convert to fraction form
    532,875.40/799,313.10 = 413,902.60/x
  3. Step 3: Cross multiply
    532,875.40x = 799,313.10 × 413,902.60
  4. Step 4: Simplify right side
    532,875.40x = 330,837,770,304.06
  5. Step 5: Solve for x
    x = 330,837,770,304.06/532,875.40
  6. Step 6: Final answer
    x = 620,853.90

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Similar ratio
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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.