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Finding the Fourth Proportional to 484,790.65, 727,235.64 and 185,522.94

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Solution

The fourth proportional to 484,790.65, 727,235.64 and 185,522.94 is: 278,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,790.65 : 727,235.64 = 185,522.94 : x
  2. Step 2: Convert to fraction form
    484,790.65/727,235.64 = 185,522.94/x
  3. Step 3: Cross multiply
    484,790.65x = 727,235.64 × 185,522.94
  4. Step 4: Simplify right side
    484,790.65x = 134,918,894,005.58
  5. Step 5: Solve for x
    x = 134,918,894,005.58/484,790.65
  6. Step 6: Final answer
    x = 278,303.42

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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.