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Finding the Fourth Proportional to 343,465.17, 474,011.13 and 190,552.62

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Solution

The fourth proportional to 343,465.17, 474,011.13 and 190,552.62 is: 262,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,465.17 : 474,011.13 = 190,552.62 : x
  2. Step 2: Convert to fraction form
    343,465.17/474,011.13 = 190,552.62/x
  3. Step 3: Cross multiply
    343,465.17x = 474,011.13 × 190,552.62
  4. Step 4: Simplify right side
    343,465.17x = 90,324,062,730.66
  5. Step 5: Solve for x
    x = 90,324,062,730.66/343,465.17
  6. Step 6: Final answer
    x = 262,978.81

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1.5x scale

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.