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Finding the Fourth Proportional to 343,995.86, 515,604.49 and 175,159.53

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Solution

The fourth proportional to 343,995.86, 515,604.49 and 175,159.53 is: 262,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,995.86 : 515,604.49 = 175,159.53 : x
  2. Step 2: Convert to fraction form
    343,995.86/515,604.49 = 175,159.53/x
  3. Step 3: Cross multiply
    343,995.86x = 515,604.49 × 175,159.53
  4. Step 4: Simplify right side
    343,995.86x = 90,313,039,696.39
  5. Step 5: Solve for x
    x = 90,313,039,696.39/343,995.86
  6. Step 6: Final answer
    x = 262,541.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.