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Finding the Fourth Proportional to 242,592.40, 340,329.20 and 242,592.40

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Solution

The fourth proportional to 242,592.40, 340,329.20 and 242,592.40 is: 340,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,592.40 : 340,329.20 = 242,592.40 : x
  2. Step 2: Convert to fraction form
    242,592.40/340,329.20 = 242,592.40/x
  3. Step 3: Cross multiply
    242,592.40x = 340,329.20 × 242,592.40
  4. Step 4: Simplify right side
    242,592.40x = 82,561,277,418.08
  5. Step 5: Solve for x
    x = 82,561,277,418.08/242,592.40
  6. Step 6: Final answer
    x = 340,329.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.