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Finding the Fourth Proportional to 367,918.34, 508,112.80 and 253,494.50

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Solution

The fourth proportional to 367,918.34, 508,112.80 and 253,494.50 is: 350,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,918.34 : 508,112.80 = 253,494.50 : x
  2. Step 2: Convert to fraction form
    367,918.34/508,112.80 = 253,494.50/x
  3. Step 3: Cross multiply
    367,918.34x = 508,112.80 × 253,494.50
  4. Step 4: Simplify right side
    367,918.34x = 128,803,797,005.30
  5. Step 5: Solve for x
    x = 128,803,797,005.30/367,918.34
  6. Step 6: Final answer
    x = 350,088.01

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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.