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Finding the Fourth Proportional to 353,173.59, 487,366.12 and 192,028.77

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Solution

The fourth proportional to 353,173.59, 487,366.12 and 192,028.77 is: 264,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,173.59 : 487,366.12 = 192,028.77 : x
  2. Step 2: Convert to fraction form
    353,173.59/487,366.12 = 192,028.77/x
  3. Step 3: Cross multiply
    353,173.59x = 487,366.12 × 192,028.77
  4. Step 4: Simplify right side
    353,173.59x = 93,588,316,083.20
  5. Step 5: Solve for x
    x = 93,588,316,083.20/353,173.59
  6. Step 6: Final answer
    x = 264,992.40

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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.