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Finding the Fourth Proportional to 346,210.80, 519,316.20 and 159,586.80

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Solution

The fourth proportional to 346,210.80, 519,316.20 and 159,586.80 is: 239,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,210.80 : 519,316.20 = 159,586.80 : x
  2. Step 2: Convert to fraction form
    346,210.80/519,316.20 = 159,586.80/x
  3. Step 3: Cross multiply
    346,210.80x = 519,316.20 × 159,586.80
  4. Step 4: Simplify right side
    346,210.80x = 82,876,010,546.16
  5. Step 5: Solve for x
    x = 82,876,010,546.16/346,210.80
  6. Step 6: Final answer
    x = 239,380.20

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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.