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Finding the Fourth Proportional to 242,585.40, 340,319.40 and 242,585.40

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Solution

The fourth proportional to 242,585.40, 340,319.40 and 242,585.40 is: 340,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,585.40 : 340,319.40 = 242,585.40 : x
  2. Step 2: Convert to fraction form
    242,585.40/340,319.40 = 242,585.40/x
  3. Step 3: Cross multiply
    242,585.40x = 340,319.40 × 242,585.40
  4. Step 4: Simplify right side
    242,585.40x = 82,556,517,776.76
  5. Step 5: Solve for x
    x = 82,556,517,776.76/242,585.40
  6. Step 6: Final answer
    x = 340,319.40

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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.