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Finding the Fourth Proportional to 273,387.10, 410,080.65 and 235,989.40

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Solution

The fourth proportional to 273,387.10, 410,080.65 and 235,989.40 is: 353,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,387.10 : 410,080.65 = 235,989.40 : x
  2. Step 2: Convert to fraction form
    273,387.10/410,080.65 = 235,989.40/x
  3. Step 3: Cross multiply
    273,387.10x = 410,080.65 × 235,989.40
  4. Step 4: Simplify right side
    273,387.10x = 96,774,686,545.11
  5. Step 5: Solve for x
    x = 96,774,686,545.11/273,387.10
  6. Step 6: Final answer
    x = 353,984.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.