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Finding the Fourth Proportional to 423,959.14, 585,096.24 and 242,728.12

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Solution

The fourth proportional to 423,959.14, 585,096.24 and 242,728.12 is: 334,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,959.14 : 585,096.24 = 242,728.12 : x
  2. Step 2: Convert to fraction form
    423,959.14/585,096.24 = 242,728.12/x
  3. Step 3: Cross multiply
    423,959.14x = 585,096.24 × 242,728.12
  4. Step 4: Simplify right side
    423,959.14x = 142,019,310,354.27
  5. Step 5: Solve for x
    x = 142,019,310,354.27/423,959.14
  6. Step 6: Final answer
    x = 334,983.49

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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.