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Finding the Fourth Proportional to 343,186.76, 473,437.53 and 215,932.52

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Solution

The fourth proportional to 343,186.76, 473,437.53 and 215,932.52 is: 297,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,186.76 : 473,437.53 = 215,932.52 : x
  2. Step 2: Convert to fraction form
    343,186.76/473,437.53 = 215,932.52/x
  3. Step 3: Cross multiply
    343,186.76x = 473,437.53 × 215,932.52
  4. Step 4: Simplify right side
    343,186.76x = 102,230,558,915.48
  5. Step 5: Solve for x
    x = 102,230,558,915.48/343,186.76
  6. Step 6: Final answer
    x = 297,886.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.