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Finding the Fourth Proportional to 303,312.60, 418,548.87 and 175,963.59

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Solution

The fourth proportional to 303,312.60, 418,548.87 and 175,963.59 is: 242,816.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,312.60 : 418,548.87 = 175,963.59 : x
  2. Step 2: Convert to fraction form
    303,312.60/418,548.87 = 175,963.59/x
  3. Step 3: Cross multiply
    303,312.60x = 418,548.87 × 175,963.59
  4. Step 4: Simplify right side
    303,312.60x = 73,649,361,755.64
  5. Step 5: Solve for x
    x = 73,649,361,755.64/303,312.60
  6. Step 6: Final answer
    x = 242,816.69

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1.5x scale

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.