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Finding the Fourth Proportional to 325,774.36, 488,483.90 and 98,036.76

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Solution

The fourth proportional to 325,774.36, 488,483.90 and 98,036.76 is: 147,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,774.36 : 488,483.90 = 98,036.76 : x
  2. Step 2: Convert to fraction form
    325,774.36/488,483.90 = 98,036.76/x
  3. Step 3: Cross multiply
    325,774.36x = 488,483.90 × 98,036.76
  4. Step 4: Simplify right side
    325,774.36x = 47,889,378,868.16
  5. Step 5: Solve for x
    x = 47,889,378,868.16/325,774.36
  6. Step 6: Final answer
    x = 147,001.68

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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.