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Finding the Fourth Proportional to 604,616.96, 906,536.64 and 289,066.88

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Solution

The fourth proportional to 604,616.96, 906,536.64 and 289,066.88 is: 433,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,616.96 : 906,536.64 = 289,066.88 : x
  2. Step 2: Convert to fraction form
    604,616.96/906,536.64 = 289,066.88/x
  3. Step 3: Cross multiply
    604,616.96x = 906,536.64 × 289,066.88
  4. Step 4: Simplify right side
    604,616.96x = 262,049,718,130.48
  5. Step 5: Solve for x
    x = 262,049,718,130.48/604,616.96
  6. Step 6: Final answer
    x = 433,414.44

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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.