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Finding the Fourth Proportional to 325,378.59, 487,953.54 and 97,606.29

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Solution

The fourth proportional to 325,378.59, 487,953.54 and 97,606.29 is: 146,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,378.59 : 487,953.54 = 97,606.29 : x
  2. Step 2: Convert to fraction form
    325,378.59/487,953.54 = 97,606.29/x
  3. Step 3: Cross multiply
    325,378.59x = 487,953.54 × 97,606.29
  4. Step 4: Simplify right side
    325,378.59x = 47,627,334,731.77
  5. Step 5: Solve for x
    x = 47,627,334,731.77/325,378.59
  6. Step 6: Final answer
    x = 146,375.13

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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.