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Finding the Fourth Proportional to 343,886.91, 515,595.05 and 175,080.57

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Solution

The fourth proportional to 343,886.91, 515,595.05 and 175,080.57 is: 262,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,886.91 : 515,595.05 = 175,080.57 : x
  2. Step 2: Convert to fraction form
    343,886.91/515,595.05 = 175,080.57/x
  3. Step 3: Cross multiply
    343,886.91x = 515,595.05 × 175,080.57
  4. Step 4: Simplify right side
    343,886.91x = 90,270,675,243.18
  5. Step 5: Solve for x
    x = 90,270,675,243.18/343,886.91
  6. Step 6: Final answer
    x = 262,501.05

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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.