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Finding the Fourth Proportional to 260,023.20, 390,034.80 and 227,882.40

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Solution

The fourth proportional to 260,023.20, 390,034.80 and 227,882.40 is: 341,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,023.20 : 390,034.80 = 227,882.40 : x
  2. Step 2: Convert to fraction form
    260,023.20/390,034.80 = 227,882.40/x
  3. Step 3: Cross multiply
    260,023.20x = 390,034.80 × 227,882.40
  4. Step 4: Simplify right side
    260,023.20x = 88,882,066,307.52
  5. Step 5: Solve for x
    x = 88,882,066,307.52/260,023.20
  6. Step 6: Final answer
    x = 341,823.60

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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.