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Finding the Fourth Proportional to 243,598.48, 364,887.42 and 154,806.28

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Solution

The fourth proportional to 243,598.48, 364,887.42 and 154,806.28 is: 231,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,598.48 : 364,887.42 = 154,806.28 : x
  2. Step 2: Convert to fraction form
    243,598.48/364,887.42 = 154,806.28/x
  3. Step 3: Cross multiply
    243,598.48x = 364,887.42 × 154,806.28
  4. Step 4: Simplify right side
    243,598.48x = 56,486,864,109.00
  5. Step 5: Solve for x
    x = 56,486,864,109.00/243,598.48
  6. Step 6: Final answer
    x = 231,885.13

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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.