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Finding the Fourth Proportional to 353,598.40, 487,961.58 and 192,451.60

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Solution

The fourth proportional to 353,598.40, 487,961.58 and 192,451.60 is: 265,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,598.40 : 487,961.58 = 192,451.60 : x
  2. Step 2: Convert to fraction form
    353,598.40/487,961.58 = 192,451.60/x
  3. Step 3: Cross multiply
    353,598.40x = 487,961.58 × 192,451.60
  4. Step 4: Simplify right side
    353,598.40x = 93,908,986,809.53
  5. Step 5: Solve for x
    x = 93,908,986,809.53/353,598.40
  6. Step 6: Final answer
    x = 265,580.92

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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.