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Finding the Fourth Proportional to 456,882.36, 630,695.34 and 343,732.92

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Solution

The fourth proportional to 456,882.36, 630,695.34 and 343,732.92 is: 474,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,882.36 : 630,695.34 = 343,732.92 : x
  2. Step 2: Convert to fraction form
    456,882.36/630,695.34 = 343,732.92/x
  3. Step 3: Cross multiply
    456,882.36x = 630,695.34 × 343,732.92
  4. Step 4: Simplify right side
    456,882.36x = 216,790,750,848.59
  5. Step 5: Solve for x
    x = 216,790,750,848.59/456,882.36
  6. Step 6: Final answer
    x = 474,500.16

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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.