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Finding the Fourth Proportional to 243,595.98, 364,883.67 and 154,803.78

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Solution

The fourth proportional to 243,595.98, 364,883.67 and 154,803.78 is: 231,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,595.98 : 364,883.67 = 154,803.78 : x
  2. Step 2: Convert to fraction form
    243,595.98/364,883.67 = 154,803.78/x
  3. Step 3: Cross multiply
    243,595.98x = 364,883.67 × 154,803.78
  4. Step 4: Simplify right side
    243,595.98x = 56,485,371,376.27
  5. Step 5: Solve for x
    x = 56,485,371,376.27/243,595.98
  6. Step 6: Final answer
    x = 231,881.38

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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.