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Finding the Fourth Proportional to 341,985.80, 512,978.70 and 184,521.80

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Solution

The fourth proportional to 341,985.80, 512,978.70 and 184,521.80 is: 276,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,985.80 : 512,978.70 = 184,521.80 : x
  2. Step 2: Convert to fraction form
    341,985.80/512,978.70 = 184,521.80/x
  3. Step 3: Cross multiply
    341,985.80x = 512,978.70 × 184,521.80
  4. Step 4: Simplify right side
    341,985.80x = 94,655,753,085.66
  5. Step 5: Solve for x
    x = 94,655,753,085.66/341,985.80
  6. Step 6: Final answer
    x = 276,782.70

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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.