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Finding the Fourth Proportional to 369,452.64, 553,177.96 and 191,586.67

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Solution

The fourth proportional to 369,452.64, 553,177.96 and 191,586.67 is: 286,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,452.64 : 553,177.96 = 191,586.67 : x
  2. Step 2: Convert to fraction form
    369,452.64/553,177.96 = 191,586.67/x
  3. Step 3: Cross multiply
    369,452.64x = 553,177.96 × 191,586.67
  4. Step 4: Simplify right side
    369,452.64x = 105,981,521,411.88
  5. Step 5: Solve for x
    x = 105,981,521,411.88/369,452.64
  6. Step 6: Final answer
    x = 286,860.91

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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.