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Finding the Fourth Proportional to 353,173.62, 487,385.71 and 192,029.76

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Solution

The fourth proportional to 353,173.62, 487,385.71 and 192,029.76 is: 265,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,173.62 : 487,385.71 = 192,029.76 : x
  2. Step 2: Convert to fraction form
    353,173.62/487,385.71 = 192,029.76/x
  3. Step 3: Cross multiply
    353,173.62x = 487,385.71 × 192,029.76
  4. Step 4: Simplify right side
    353,173.62x = 93,592,561,809.43
  5. Step 5: Solve for x
    x = 93,592,561,809.43/353,173.62
  6. Step 6: Final answer
    x = 265,004.40

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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.