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Finding the Fourth Proportional to 590,320.66, 885,508.65 and 190,992.68

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Solution

The fourth proportional to 590,320.66, 885,508.65 and 190,992.68 is: 286,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,320.66 : 885,508.65 = 190,992.68 : x
  2. Step 2: Convert to fraction form
    590,320.66/885,508.65 = 190,992.68/x
  3. Step 3: Cross multiply
    590,320.66x = 885,508.65 × 190,992.68
  4. Step 4: Simplify right side
    590,320.66x = 169,125,669,271.72
  5. Step 5: Solve for x
    x = 169,125,669,271.72/590,320.66
  6. Step 6: Final answer
    x = 286,497.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.