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Finding the Fourth Proportional to 475,288.04, 655,536.83 and 344,274.22

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Solution

The fourth proportional to 475,288.04, 655,536.83 and 344,274.22 is: 474,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,288.04 : 655,536.83 = 344,274.22 : x
  2. Step 2: Convert to fraction form
    475,288.04/655,536.83 = 344,274.22/x
  3. Step 3: Cross multiply
    475,288.04x = 655,536.83 × 344,274.22
  4. Step 4: Simplify right side
    475,288.04x = 225,684,434,148.47
  5. Step 5: Solve for x
    x = 225,684,434,148.47/475,288.04
  6. Step 6: Final answer
    x = 474,837.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.