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Finding the Fourth Proportional to 559,404.80, 839,107.20 and 160,069.40

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Solution

The fourth proportional to 559,404.80, 839,107.20 and 160,069.40 is: 240,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,404.80 : 839,107.20 = 160,069.40 : x
  2. Step 2: Convert to fraction form
    559,404.80/839,107.20 = 160,069.40/x
  3. Step 3: Cross multiply
    559,404.80x = 839,107.20 × 160,069.40
  4. Step 4: Simplify right side
    559,404.80x = 134,315,386,039.68
  5. Step 5: Solve for x
    x = 134,315,386,039.68/559,404.80
  6. Step 6: Final answer
    x = 240,104.10

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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.