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Finding the Fourth Proportional to 346,514.52, 519,460.74 and 124,743

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Solution

The fourth proportional to 346,514.52, 519,460.74 and 124,743 is: 187,002.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,514.52 : 519,460.74 = 124,743 : x
  2. Step 2: Convert to fraction form
    346,514.52/519,460.74 = 124,743/x
  3. Step 3: Cross multiply
    346,514.52x = 519,460.74 × 124,743
  4. Step 4: Simplify right side
    346,514.52x = 64,799,091,089.82
  5. Step 5: Solve for x
    x = 64,799,091,089.82/346,514.52
  6. Step 6: Final answer
    x = 187,002.53

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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.