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Finding the Fourth Proportional to 346,847.80, 519,882.90 and 147,134.20

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Solution

The fourth proportional to 346,847.80, 519,882.90 and 147,134.20 is: 220,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,847.80 : 519,882.90 = 147,134.20 : x
  2. Step 2: Convert to fraction form
    346,847.80/519,882.90 = 147,134.20/x
  3. Step 3: Cross multiply
    346,847.80x = 519,882.90 × 147,134.20
  4. Step 4: Simplify right side
    346,847.80x = 76,492,554,585.18
  5. Step 5: Solve for x
    x = 76,492,554,585.18/346,847.80
  6. Step 6: Final answer
    x = 220,536.37

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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.