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Finding the Fourth Proportional to 369,775.72, 553,574.94 and 229,081.96

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Solution

The fourth proportional to 369,775.72, 553,574.94 and 229,081.96 is: 342,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,775.72 : 553,574.94 = 229,081.96 : x
  2. Step 2: Convert to fraction form
    369,775.72/553,574.94 = 229,081.96/x
  3. Step 3: Cross multiply
    369,775.72x = 553,574.94 × 229,081.96
  4. Step 4: Simplify right side
    369,775.72x = 126,814,032,262.08
  5. Step 5: Solve for x
    x = 126,814,032,262.08/369,775.72
  6. Step 6: Final answer
    x = 342,948.51

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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.