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Finding the Fourth Proportional to 892,160.64, 1,337,222.88 and 359,340.48

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Solution

The fourth proportional to 892,160.64, 1,337,222.88 and 359,340.48 is: 538,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,160.64 : 1,337,222.88 = 359,340.48 : x
  2. Step 2: Convert to fraction form
    892,160.64/1,337,222.88 = 359,340.48/x
  3. Step 3: Cross multiply
    892,160.64x = 1,337,222.88 × 359,340.48
  4. Step 4: Simplify right side
    892,160.64x = 480,518,311,566.18
  5. Step 5: Solve for x
    x = 480,518,311,566.18/892,160.64
  6. Step 6: Final answer
    x = 538,600.66

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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.