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Finding the Fourth Proportional to 288,024.20, 403,648.60 and 288,024.20

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Solution

The fourth proportional to 288,024.20, 403,648.60 and 288,024.20 is: 403,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,024.20 : 403,648.60 = 288,024.20 : x
  2. Step 2: Convert to fraction form
    288,024.20/403,648.60 = 288,024.20/x
  3. Step 3: Cross multiply
    288,024.20x = 403,648.60 × 288,024.20
  4. Step 4: Simplify right side
    288,024.20x = 116,260,565,096.12
  5. Step 5: Solve for x
    x = 116,260,565,096.12/288,024.20
  6. Step 6: Final answer
    x = 403,648.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.