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Finding the Fourth Proportional to 303,348.35, 454,979.32 and 103,677.95

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Solution

The fourth proportional to 303,348.35, 454,979.32 and 103,677.95 is: 155,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,348.35 : 454,979.32 = 103,677.95 : x
  2. Step 2: Convert to fraction form
    303,348.35/454,979.32 = 103,677.95/x
  3. Step 3: Cross multiply
    303,348.35x = 454,979.32 × 103,677.95
  4. Step 4: Simplify right side
    303,348.35x = 47,171,323,189.99
  5. Step 5: Solve for x
    x = 47,171,323,189.99/303,348.35
  6. Step 6: Final answer
    x = 155,502.16

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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.