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Finding the Fourth Proportional to 374,459.40, 516,753.98 and 204,693.54

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Solution

The fourth proportional to 374,459.40, 516,753.98 and 204,693.54 is: 282,477.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,459.40 : 516,753.98 = 204,693.54 : x
  2. Step 2: Convert to fraction form
    374,459.40/516,753.98 = 204,693.54/x
  3. Step 3: Cross multiply
    374,459.40x = 516,753.98 × 204,693.54
  4. Step 4: Simplify right side
    374,459.40x = 105,776,201,475.29
  5. Step 5: Solve for x
    x = 105,776,201,475.29/374,459.40
  6. Step 6: Final answer
    x = 282,477.09

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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.