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Finding the Fourth Proportional to 303,573.42, 418,899.51 and 176,224.14

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Solution

The fourth proportional to 303,573.42, 418,899.51 and 176,224.14 is: 243,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,573.42 : 418,899.51 = 176,224.14 : x
  2. Step 2: Convert to fraction form
    303,573.42/418,899.51 = 176,224.14/x
  3. Step 3: Cross multiply
    303,573.42x = 418,899.51 × 176,224.14
  4. Step 4: Simplify right side
    303,573.42x = 73,820,205,896.17
  5. Step 5: Solve for x
    x = 73,820,205,896.17/303,573.42
  6. Step 6: Final answer
    x = 243,170.85

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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.