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Finding the Fourth Proportional to 448,882.76, 619,460.34 and 247,678.76

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Solution

The fourth proportional to 448,882.76, 619,460.34 and 247,678.76 is: 341,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,882.76 : 619,460.34 = 247,678.76 : x
  2. Step 2: Convert to fraction form
    448,882.76/619,460.34 = 247,678.76/x
  3. Step 3: Cross multiply
    448,882.76x = 619,460.34 × 247,678.76
  4. Step 4: Simplify right side
    448,882.76x = 153,427,168,880.38
  5. Step 5: Solve for x
    x = 153,427,168,880.38/448,882.76
  6. Step 6: Final answer
    x = 341,797.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.