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Finding the Fourth Proportional to 289,767.97, 400,073.95 and 181,037.82

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Solution

The fourth proportional to 289,767.97, 400,073.95 and 181,037.82 is: 249,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,767.97 : 400,073.95 = 181,037.82 : x
  2. Step 2: Convert to fraction form
    289,767.97/400,073.95 = 181,037.82/x
  3. Step 3: Cross multiply
    289,767.97x = 400,073.95 × 181,037.82
  4. Step 4: Simplify right side
    289,767.97x = 72,428,515,746.79
  5. Step 5: Solve for x
    x = 72,428,515,746.79/289,767.97
  6. Step 6: Final answer
    x = 249,953.49

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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.