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Finding the Fourth Proportional to 605,308.66, 835,264.15 and 372,698.67

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Solution

The fourth proportional to 605,308.66, 835,264.15 and 372,698.67 is: 514,286.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,308.66 : 835,264.15 = 372,698.67 : x
  2. Step 2: Convert to fraction form
    605,308.66/835,264.15 = 372,698.67/x
  3. Step 3: Cross multiply
    605,308.66x = 835,264.15 × 372,698.67
  4. Step 4: Simplify right side
    605,308.66x = 311,301,837,402.24
  5. Step 5: Solve for x
    x = 311,301,837,402.24/605,308.66
  6. Step 6: Final answer
    x = 514,286.11

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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.