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Finding the Fourth Proportional to 242,569.90, 340,297.70 and 242,569.90

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Solution

The fourth proportional to 242,569.90, 340,297.70 and 242,569.90 is: 340,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,569.90 : 340,297.70 = 242,569.90 : x
  2. Step 2: Convert to fraction form
    242,569.90/340,297.70 = 242,569.90/x
  3. Step 3: Cross multiply
    242,569.90x = 340,297.70 × 242,569.90
  4. Step 4: Simplify right side
    242,569.90x = 82,545,979,059.23
  5. Step 5: Solve for x
    x = 82,545,979,059.23/242,569.90
  6. Step 6: Final answer
    x = 340,297.70

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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.