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Finding the Fourth Proportional to 629,231.04, 868,358.88 and 342,760.32

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Solution

The fourth proportional to 629,231.04, 868,358.88 and 342,760.32 is: 473,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,231.04 : 868,358.88 = 342,760.32 : x
  2. Step 2: Convert to fraction form
    629,231.04/868,358.88 = 342,760.32/x
  3. Step 3: Cross multiply
    629,231.04x = 868,358.88 × 342,760.32
  4. Step 4: Simplify right side
    629,231.04x = 297,638,967,583.64
  5. Step 5: Solve for x
    x = 297,638,967,583.64/629,231.04
  6. Step 6: Final answer
    x = 473,020.16

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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.