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Finding the Fourth Proportional to 514,266.71, 768,272.72 and 332,874.50

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Solution

The fourth proportional to 514,266.71, 768,272.72 and 332,874.50 is: 497,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,266.71 : 768,272.72 = 332,874.50 : x
  2. Step 2: Convert to fraction form
    514,266.71/768,272.72 = 332,874.50/x
  3. Step 3: Cross multiply
    514,266.71x = 768,272.72 × 332,874.50
  4. Step 4: Simplify right side
    514,266.71x = 255,738,392,027.90
  5. Step 5: Solve for x
    x = 255,738,392,027.90/514,266.71
  6. Step 6: Final answer
    x = 497,287.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.