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Finding the Fourth Proportional to 374,812.96, 516,914.88 and 265,701.52

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Solution

The fourth proportional to 374,812.96, 516,914.88 and 265,701.52 is: 366,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,812.96 : 516,914.88 = 265,701.52 : x
  2. Step 2: Convert to fraction form
    374,812.96/516,914.88 = 265,701.52/x
  3. Step 3: Cross multiply
    374,812.96x = 516,914.88 × 265,701.52
  4. Step 4: Simplify right side
    374,812.96x = 137,345,069,326.62
  5. Step 5: Solve for x
    x = 137,345,069,326.62/374,812.96
  6. Step 6: Final answer
    x = 366,436.29

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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.