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Finding the Fourth Proportional to 343,065.02, 473,422.64 and 190,101.87

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Solution

The fourth proportional to 343,065.02, 473,422.64 and 190,101.87 is: 262,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,065.02 : 473,422.64 = 190,101.87 : x
  2. Step 2: Convert to fraction form
    343,065.02/473,422.64 = 190,101.87/x
  3. Step 3: Cross multiply
    343,065.02x = 473,422.64 × 190,101.87
  4. Step 4: Simplify right side
    343,065.02x = 89,998,528,213.83
  5. Step 5: Solve for x
    x = 89,998,528,213.83/343,065.02
  6. Step 6: Final answer
    x = 262,336.65

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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.