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Finding the Fourth Proportional to 374,465.53, 516,762.43 and 204,699.66

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Solution

The fourth proportional to 374,465.53, 516,762.43 and 204,699.66 is: 282,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,465.53 : 516,762.43 = 204,699.66 : x
  2. Step 2: Convert to fraction form
    374,465.53/516,762.43 = 204,699.66/x
  3. Step 3: Cross multiply
    374,465.53x = 516,762.43 × 204,699.66
  4. Step 4: Simplify right side
    374,465.53x = 105,781,092,423.60
  5. Step 5: Solve for x
    x = 105,781,092,423.60/374,465.53
  6. Step 6: Final answer
    x = 282,485.53

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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.