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Finding the Fourth Proportional to 355,684.52, 533,592.48 and 112,586.78

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Solution

The fourth proportional to 355,684.52, 533,592.48 and 112,586.78 is: 168,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,684.52 : 533,592.48 = 112,586.78 : x
  2. Step 2: Convert to fraction form
    355,684.52/533,592.48 = 112,586.78/x
  3. Step 3: Cross multiply
    355,684.52x = 533,592.48 × 112,586.78
  4. Step 4: Simplify right side
    355,684.52x = 60,075,459,155.41
  5. Step 5: Solve for x
    x = 60,075,459,155.41/355,684.52
  6. Step 6: Final answer
    x = 168,900.97

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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.