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Finding the Fourth Proportional to 366,844.80, 506,350.80 and 216,029.28

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Solution

The fourth proportional to 366,844.80, 506,350.80 and 216,029.28 is: 298,182.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,844.80 : 506,350.80 = 216,029.28 : x
  2. Step 2: Convert to fraction form
    366,844.80/506,350.80 = 216,029.28/x
  3. Step 3: Cross multiply
    366,844.80x = 506,350.80 × 216,029.28
  4. Step 4: Simplify right side
    366,844.80x = 109,386,598,751.42
  5. Step 5: Solve for x
    x = 109,386,598,751.42/366,844.80
  6. Step 6: Final answer
    x = 298,182.23

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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.