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Finding the Fourth Proportional to 334,448.92, 460,781.98 and 318,505.68

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Solution

The fourth proportional to 334,448.92, 460,781.98 and 318,505.68 is: 438,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,448.92 : 460,781.98 = 318,505.68 : x
  2. Step 2: Convert to fraction form
    334,448.92/460,781.98 = 318,505.68/x
  3. Step 3: Cross multiply
    334,448.92x = 460,781.98 × 318,505.68
  4. Step 4: Simplify right side
    334,448.92x = 146,761,677,871.65
  5. Step 5: Solve for x
    x = 146,761,677,871.65/334,448.92
  6. Step 6: Final answer
    x = 438,816.42

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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.