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Finding the Fourth Proportional to 474,436.17, 654,657.26 and 283,409.01

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Solution

The fourth proportional to 474,436.17, 654,657.26 and 283,409.01 is: 391,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,436.17 : 654,657.26 = 283,409.01 : x
  2. Step 2: Convert to fraction form
    474,436.17/654,657.26 = 283,409.01/x
  3. Step 3: Cross multiply
    474,436.17x = 654,657.26 × 283,409.01
  4. Step 4: Simplify right side
    474,436.17x = 185,535,764,528.87
  5. Step 5: Solve for x
    x = 185,535,764,528.87/474,436.17
  6. Step 6: Final answer
    x = 391,065.81

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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.