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Finding the Fourth Proportional to 353,997.30, 488,521.56 and 192,852.30

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Solution

The fourth proportional to 353,997.30, 488,521.56 and 192,852.30 is: 266,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,997.30 : 488,521.56 = 192,852.30 : x
  2. Step 2: Convert to fraction form
    353,997.30/488,521.56 = 192,852.30/x
  3. Step 3: Cross multiply
    353,997.30x = 488,521.56 × 192,852.30
  4. Step 4: Simplify right side
    353,997.30x = 94,212,506,445.59
  5. Step 5: Solve for x
    x = 94,212,506,445.59/353,997.30
  6. Step 6: Final answer
    x = 266,139.05

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1.5x scale

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.