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Finding the Fourth Proportional to 323,291.95, 484,937.98 and 98,653.57

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Solution

The fourth proportional to 323,291.95, 484,937.98 and 98,653.57 is: 147,980.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,291.95 : 484,937.98 = 98,653.57 : x
  2. Step 2: Convert to fraction form
    323,291.95/484,937.98 = 98,653.57/x
  3. Step 3: Cross multiply
    323,291.95x = 484,937.98 × 98,653.57
  4. Step 4: Simplify right side
    323,291.95x = 47,840,861,496.61
  5. Step 5: Solve for x
    x = 47,840,861,496.61/323,291.95
  6. Step 6: Final answer
    x = 147,980.37

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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.