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Finding the Fourth Proportional to 348,275.52, 480,625.92 and 197,369.28

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Solution

The fourth proportional to 348,275.52, 480,625.92 and 197,369.28 is: 272,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,275.52 : 480,625.92 = 197,369.28 : x
  2. Step 2: Convert to fraction form
    348,275.52/480,625.92 = 197,369.28/x
  3. Step 3: Cross multiply
    348,275.52x = 480,625.92 × 197,369.28
  4. Step 4: Simplify right side
    348,275.52x = 94,860,791,779.74
  5. Step 5: Solve for x
    x = 94,860,791,779.74/348,275.52
  6. Step 6: Final answer
    x = 272,372.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.