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Finding the Fourth Proportional to 532,927.20, 799,828.20 and 515,431.20

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Solution

The fourth proportional to 532,927.20, 799,828.20 and 515,431.20 is: 773,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,927.20 : 799,828.20 = 515,431.20 : x
  2. Step 2: Convert to fraction form
    532,927.20/799,828.20 = 515,431.20/x
  3. Step 3: Cross multiply
    532,927.20x = 799,828.20 × 515,431.20
  4. Step 4: Simplify right side
    532,927.20x = 412,256,408,919.84
  5. Step 5: Solve for x
    x = 412,256,408,919.84/532,927.20
  6. Step 6: Final answer
    x = 773,569.84

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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.