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Finding the Fourth Proportional to 532,938.40, 799,407.60 and 333,872.80

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Solution

The fourth proportional to 532,938.40, 799,407.60 and 333,872.80 is: 500,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,938.40 : 799,407.60 = 333,872.80 : x
  2. Step 2: Convert to fraction form
    532,938.40/799,407.60 = 333,872.80/x
  3. Step 3: Cross multiply
    532,938.40x = 799,407.60 × 333,872.80
  4. Step 4: Simplify right side
    532,938.40x = 266,900,453,753.28
  5. Step 5: Solve for x
    x = 266,900,453,753.28/532,938.40
  6. Step 6: Final answer
    x = 500,809.20

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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.