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Finding the Fourth Proportional to 374,466.53, 516,763.81 and 204,700.66

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Solution

The fourth proportional to 374,466.53, 516,763.81 and 204,700.66 is: 282,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,466.53 : 516,763.81 = 204,700.66 : x
  2. Step 2: Convert to fraction form
    374,466.53/516,763.81 = 204,700.66/x
  3. Step 3: Cross multiply
    374,466.53x = 516,763.81 × 204,700.66
  4. Step 4: Simplify right side
    374,466.53x = 105,781,892,971.12
  5. Step 5: Solve for x
    x = 105,781,892,971.12/374,466.53
  6. Step 6: Final answer
    x = 282,486.91

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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.