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Finding the Fourth Proportional to 374,066.48, 516,210.91 and 204,300.60

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Solution

The fourth proportional to 374,066.48, 516,210.91 and 204,300.60 is: 281,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,066.48 : 516,210.91 = 204,300.60 : x
  2. Step 2: Convert to fraction form
    374,066.48/516,210.91 = 204,300.60/x
  3. Step 3: Cross multiply
    374,066.48x = 516,210.91 × 204,300.60
  4. Step 4: Simplify right side
    374,066.48x = 105,462,198,639.55
  5. Step 5: Solve for x
    x = 105,462,198,639.55/374,066.48
  6. Step 6: Final answer
    x = 281,934.37

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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.