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Finding the Fourth Proportional to 265,722.30, 372,287.70 and 265,722.30

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Solution

The fourth proportional to 265,722.30, 372,287.70 and 265,722.30 is: 372,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,722.30 : 372,287.70 = 265,722.30 : x
  2. Step 2: Convert to fraction form
    265,722.30/372,287.70 = 265,722.30/x
  3. Step 3: Cross multiply
    265,722.30x = 372,287.70 × 265,722.30
  4. Step 4: Simplify right side
    265,722.30x = 98,925,143,905.71
  5. Step 5: Solve for x
    x = 98,925,143,905.71/265,722.30
  6. Step 6: Final answer
    x = 372,287.70

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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.