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Finding the Fourth Proportional to 358,088.67, 494,152.49 and 196,943.76

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Solution

The fourth proportional to 358,088.67, 494,152.49 and 196,943.76 is: 271,776.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,088.67 : 494,152.49 = 196,943.76 : x
  2. Step 2: Convert to fraction form
    358,088.67/494,152.49 = 196,943.76/x
  3. Step 3: Cross multiply
    358,088.67x = 494,152.49 × 196,943.76
  4. Step 4: Simplify right side
    358,088.67x = 97,320,248,409.24
  5. Step 5: Solve for x
    x = 97,320,248,409.24/358,088.67
  6. Step 6: Final answer
    x = 271,776.96

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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.