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Finding the Fourth Proportional to 374,465.25, 516,762.05 and 204,700.59

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Solution

The fourth proportional to 374,465.25, 516,762.05 and 204,700.59 is: 282,486.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,465.25 : 516,762.05 = 204,700.59 : x
  2. Step 2: Convert to fraction form
    374,465.25/516,762.05 = 204,700.59/x
  3. Step 3: Cross multiply
    374,465.25x = 516,762.05 × 204,700.59
  4. Step 4: Simplify right side
    374,465.25x = 105,781,495,501.11
  5. Step 5: Solve for x
    x = 105,781,495,501.11/374,465.25
  6. Step 6: Final answer
    x = 282,486.81

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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.