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Finding the Fourth Proportional to 590,579.32, 886,009.77 and 191,220.22

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Solution

The fourth proportional to 590,579.32, 886,009.77 and 191,220.22 is: 286,875.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,579.32 : 886,009.77 = 191,220.22 : x
  2. Step 2: Convert to fraction form
    590,579.32/886,009.77 = 191,220.22/x
  3. Step 3: Cross multiply
    590,579.32x = 886,009.77 × 191,220.22
  4. Step 4: Simplify right side
    590,579.32x = 169,422,983,141.55
  5. Step 5: Solve for x
    x = 169,422,983,141.55/590,579.32
  6. Step 6: Final answer
    x = 286,875.92

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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.