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Finding the Fourth Proportional to 345,767.16, 477,376.56 and 265,042.56

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Solution

The fourth proportional to 345,767.16, 477,376.56 and 265,042.56 is: 365,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,767.16 : 477,376.56 = 265,042.56 : x
  2. Step 2: Convert to fraction form
    345,767.16/477,376.56 = 265,042.56/x
  3. Step 3: Cross multiply
    345,767.16x = 477,376.56 × 265,042.56
  4. Step 4: Simplify right side
    345,767.16x = 126,525,105,546.39
  5. Step 5: Solve for x
    x = 126,525,105,546.39/345,767.16
  6. Step 6: Final answer
    x = 365,925.74

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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.