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Finding the Fourth Proportional to 356,818.42, 492,410.07 and 195,674.62

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Solution

The fourth proportional to 356,818.42, 492,410.07 and 195,674.62 is: 270,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,818.42 : 492,410.07 = 195,674.62 : x
  2. Step 2: Convert to fraction form
    356,818.42/492,410.07 = 195,674.62/x
  3. Step 3: Cross multiply
    356,818.42x = 492,410.07 × 195,674.62
  4. Step 4: Simplify right side
    356,818.42x = 96,352,153,331.42
  5. Step 5: Solve for x
    x = 96,352,153,331.42/356,818.42
  6. Step 6: Final answer
    x = 270,031.33

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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.