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Finding the Fourth Proportional to 604,835.80, 906,378.90 and 267,600.40

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Solution

The fourth proportional to 604,835.80, 906,378.90 and 267,600.40 is: 401,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,835.80 : 906,378.90 = 267,600.40 : x
  2. Step 2: Convert to fraction form
    604,835.80/906,378.90 = 267,600.40/x
  3. Step 3: Cross multiply
    604,835.80x = 906,378.90 × 267,600.40
  4. Step 4: Simplify right side
    604,835.80x = 242,547,356,191.56
  5. Step 5: Solve for x
    x = 242,547,356,191.56/604,835.80
  6. Step 6: Final answer
    x = 401,013.56

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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.