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Finding the Fourth Proportional to 662,693.49, 914,228.25 and 417,529.43

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Solution

The fourth proportional to 662,693.49, 914,228.25 and 417,529.43 is: 576,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,693.49 : 914,228.25 = 417,529.43 : x
  2. Step 2: Convert to fraction form
    662,693.49/914,228.25 = 417,529.43/x
  3. Step 3: Cross multiply
    662,693.49x = 914,228.25 × 417,529.43
  4. Step 4: Simplify right side
    662,693.49x = 381,717,195,541.26
  5. Step 5: Solve for x
    x = 381,717,195,541.26/662,693.49
  6. Step 6: Final answer
    x = 576,008.67

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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.