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Finding the Fourth Proportional to 374,494.66, 516,804.45 and 204,728.78

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Solution

The fourth proportional to 374,494.66, 516,804.45 and 204,728.78 is: 282,526.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,494.66 : 516,804.45 = 204,728.78 : x
  2. Step 2: Convert to fraction form
    374,494.66/516,804.45 = 204,728.78/x
  3. Step 3: Cross multiply
    374,494.66x = 516,804.45 × 204,728.78
  4. Step 4: Simplify right side
    374,494.66x = 105,804,744,547.07
  5. Step 5: Solve for x
    x = 105,804,744,547.07/374,494.66
  6. Step 6: Final answer
    x = 282,526.71

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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.