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Finding the Fourth Proportional to 293,547.80, 404,700.54 and 191,371.16

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Solution

The fourth proportional to 293,547.80, 404,700.54 and 191,371.16 is: 263,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,547.80 : 404,700.54 = 191,371.16 : x
  2. Step 2: Convert to fraction form
    293,547.80/404,700.54 = 191,371.16/x
  3. Step 3: Cross multiply
    293,547.80x = 404,700.54 × 191,371.16
  4. Step 4: Simplify right side
    293,547.80x = 77,448,009,768.92
  5. Step 5: Solve for x
    x = 77,448,009,768.92/293,547.80
  6. Step 6: Final answer
    x = 263,834.41

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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.