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Finding the Fourth Proportional to 346,704.20, 520,056.30 and 160,080.20

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Solution

The fourth proportional to 346,704.20, 520,056.30 and 160,080.20 is: 240,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,704.20 : 520,056.30 = 160,080.20 : x
  2. Step 2: Convert to fraction form
    346,704.20/520,056.30 = 160,080.20/x
  3. Step 3: Cross multiply
    346,704.20x = 520,056.30 × 160,080.20
  4. Step 4: Simplify right side
    346,704.20x = 83,250,716,515.26
  5. Step 5: Solve for x
    x = 83,250,716,515.26/346,704.20
  6. Step 6: Final answer
    x = 240,120.30

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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.