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Finding the Fourth Proportional to 397,183.80, 595,386.90 and 160,210.20

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Solution

The fourth proportional to 397,183.80, 595,386.90 and 160,210.20 is: 240,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,183.80 : 595,386.90 = 160,210.20 : x
  2. Step 2: Convert to fraction form
    397,183.80/595,386.90 = 160,210.20/x
  3. Step 3: Cross multiply
    397,183.80x = 595,386.90 × 160,210.20
  4. Step 4: Simplify right side
    397,183.80x = 95,387,054,326.38
  5. Step 5: Solve for x
    x = 95,387,054,326.38/397,183.80
  6. Step 6: Final answer
    x = 240,158.47

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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.