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Finding the Fourth Proportional to 347,275.64, 519,492.42 and 262,404.92

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Solution

The fourth proportional to 347,275.64, 519,492.42 and 262,404.92 is: 392,533.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,275.64 : 519,492.42 = 262,404.92 : x
  2. Step 2: Convert to fraction form
    347,275.64/519,492.42 = 262,404.92/x
  3. Step 3: Cross multiply
    347,275.64x = 519,492.42 × 262,404.92
  4. Step 4: Simplify right side
    347,275.64x = 136,317,366,910.71
  5. Step 5: Solve for x
    x = 136,317,366,910.71/347,275.64
  6. Step 6: Final answer
    x = 392,533.63

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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.