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Finding the Fourth Proportional to 341,980.65, 471,688.52 and 240,028.85

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Solution

The fourth proportional to 341,980.65, 471,688.52 and 240,028.85 is: 331,068.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,980.65 : 471,688.52 = 240,028.85 : x
  2. Step 2: Convert to fraction form
    341,980.65/471,688.52 = 240,028.85/x
  3. Step 3: Cross multiply
    341,980.65x = 471,688.52 × 240,028.85
  4. Step 4: Simplify right side
    341,980.65x = 113,218,853,013.80
  5. Step 5: Solve for x
    x = 113,218,853,013.80/341,980.65
  6. Step 6: Final answer
    x = 331,068.01

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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.