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Finding the Fourth Proportional to 330,003.90, 495,005.85 and 237,383.10

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Solution

The fourth proportional to 330,003.90, 495,005.85 and 237,383.10 is: 356,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,003.90 : 495,005.85 = 237,383.10 : x
  2. Step 2: Convert to fraction form
    330,003.90/495,005.85 = 237,383.10/x
  3. Step 3: Cross multiply
    330,003.90x = 495,005.85 × 237,383.10
  4. Step 4: Simplify right side
    330,003.90x = 117,506,023,191.14
  5. Step 5: Solve for x
    x = 117,506,023,191.14/330,003.90
  6. Step 6: Final answer
    x = 356,074.65

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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.