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Finding the Fourth Proportional to 343,353.46, 473,828.80 and 190,402.42

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Solution

The fourth proportional to 343,353.46, 473,828.80 and 190,402.42 is: 262,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,353.46 : 473,828.80 = 190,402.42 : x
  2. Step 2: Convert to fraction form
    343,353.46/473,828.80 = 190,402.42/x
  3. Step 3: Cross multiply
    343,353.46x = 473,828.80 × 190,402.42
  4. Step 4: Simplify right side
    343,353.46x = 90,218,150,185.70
  5. Step 5: Solve for x
    x = 90,218,150,185.70/343,353.46
  6. Step 6: Final answer
    x = 262,755.91

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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.