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Finding the Fourth Proportional to 243,645.87, 364,901.10 and 236,919.63

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Solution

The fourth proportional to 243,645.87, 364,901.10 and 236,919.63 is: 354,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,645.87 : 364,901.10 = 236,919.63 : x
  2. Step 2: Convert to fraction form
    243,645.87/364,901.10 = 236,919.63/x
  3. Step 3: Cross multiply
    243,645.87x = 364,901.10 × 236,919.63
  4. Step 4: Simplify right side
    243,645.87x = 86,452,235,411.20
  5. Step 5: Solve for x
    x = 86,452,235,411.20/243,645.87
  6. Step 6: Final answer
    x = 354,827.41

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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.