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Finding the Fourth Proportional to 346,766.61, 520,300.17 and 122,287.44

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Solution

The fourth proportional to 346,766.61, 520,300.17 and 122,287.44 is: 183,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,766.61 : 520,300.17 = 122,287.44 : x
  2. Step 2: Convert to fraction form
    346,766.61/520,300.17 = 122,287.44/x
  3. Step 3: Cross multiply
    346,766.61x = 520,300.17 × 122,287.44
  4. Step 4: Simplify right side
    346,766.61x = 63,626,175,820.86
  5. Step 5: Solve for x
    x = 63,626,175,820.86/346,766.61
  6. Step 6: Final answer
    x = 183,484.15

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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.