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Finding the Fourth Proportional to 242,582.40, 340,315.20 and 242,582.40

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Solution

The fourth proportional to 242,582.40, 340,315.20 and 242,582.40 is: 340,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,582.40 : 340,315.20 = 242,582.40 : x
  2. Step 2: Convert to fraction form
    242,582.40/340,315.20 = 242,582.40/x
  3. Step 3: Cross multiply
    242,582.40x = 340,315.20 × 242,582.40
  4. Step 4: Simplify right side
    242,582.40x = 82,554,477,972.48
  5. Step 5: Solve for x
    x = 82,554,477,972.48/242,582.40
  6. Step 6: Final answer
    x = 340,315.20

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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.