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Finding the Fourth Proportional to 243,003.40, 364,505.10 and 183,954.40

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Solution

The fourth proportional to 243,003.40, 364,505.10 and 183,954.40 is: 275,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,003.40 : 364,505.10 = 183,954.40 : x
  2. Step 2: Convert to fraction form
    243,003.40/364,505.10 = 183,954.40/x
  3. Step 3: Cross multiply
    243,003.40x = 364,505.10 × 183,954.40
  4. Step 4: Simplify right side
    243,003.40x = 67,052,316,967.44
  5. Step 5: Solve for x
    x = 67,052,316,967.44/243,003.40
  6. Step 6: Final answer
    x = 275,931.60

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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.