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Finding the Fourth Proportional to 554,879.21, 832,343.03 and 175,827.87

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Solution

The fourth proportional to 554,879.21, 832,343.03 and 175,827.87 is: 263,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,879.21 : 832,343.03 = 175,827.87 : x
  2. Step 2: Convert to fraction form
    554,879.21/832,343.03 = 175,827.87/x
  3. Step 3: Cross multiply
    554,879.21x = 832,343.03 × 175,827.87
  4. Step 4: Simplify right side
    554,879.21x = 146,349,101,195.11
  5. Step 5: Solve for x
    x = 146,349,101,195.11/554,879.21
  6. Step 6: Final answer
    x = 263,749.48

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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.