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Finding the Fourth Proportional to 550,051.18, 825,312.03 and 230,277.76

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Solution

The fourth proportional to 550,051.18, 825,312.03 and 230,277.76 is: 345,515.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,051.18 : 825,312.03 = 230,277.76 : x
  2. Step 2: Convert to fraction form
    550,051.18/825,312.03 = 230,277.76/x
  3. Step 3: Cross multiply
    550,051.18x = 825,312.03 × 230,277.76
  4. Step 4: Simplify right side
    550,051.18x = 190,051,005,569.45
  5. Step 5: Solve for x
    x = 190,051,005,569.45/550,051.18
  6. Step 6: Final answer
    x = 345,515.13

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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.