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Finding the Fourth Proportional to 604,661.80, 906,117.90 and 267,426.40

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Solution

The fourth proportional to 604,661.80, 906,117.90 and 267,426.40 is: 400,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,661.80 : 906,117.90 = 267,426.40 : x
  2. Step 2: Convert to fraction form
    604,661.80/906,117.90 = 267,426.40/x
  3. Step 3: Cross multiply
    604,661.80x = 906,117.90 × 267,426.40
  4. Step 4: Simplify right side
    604,661.80x = 242,319,847,972.56
  5. Step 5: Solve for x
    x = 242,319,847,972.56/604,661.80
  6. Step 6: Final answer
    x = 400,752.70

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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.