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Finding the Fourth Proportional to 345,088.35, 476,620.74 and 230,167.44

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Solution

The fourth proportional to 345,088.35, 476,620.74 and 230,167.44 is: 317,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,088.35 : 476,620.74 = 230,167.44 : x
  2. Step 2: Convert to fraction form
    345,088.35/476,620.74 = 230,167.44/x
  3. Step 3: Cross multiply
    345,088.35x = 476,620.74 × 230,167.44
  4. Step 4: Simplify right side
    345,088.35x = 109,702,575,576.71
  5. Step 5: Solve for x
    x = 109,702,575,576.71/345,088.35
  6. Step 6: Final answer
    x = 317,897.07

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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.