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Finding the Fourth Proportional to 293,292.88, 404,744.16 and 159,156.88

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Solution

The fourth proportional to 293,292.88, 404,744.16 and 159,156.88 is: 219,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,292.88 : 404,744.16 = 159,156.88 : x
  2. Step 2: Convert to fraction form
    293,292.88/404,744.16 = 159,156.88/x
  3. Step 3: Cross multiply
    293,292.88x = 404,744.16 × 159,156.88
  4. Step 4: Simplify right side
    293,292.88x = 64,417,817,703.82
  5. Step 5: Solve for x
    x = 64,417,817,703.82/293,292.88
  6. Step 6: Final answer
    x = 219,636.49

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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.