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Finding the Fourth Proportional to 476,176.80, 714,092.40 and 239,440.80

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Solution

The fourth proportional to 476,176.80, 714,092.40 and 239,440.80 is: 359,074.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,176.80 : 714,092.40 = 239,440.80 : x
  2. Step 2: Convert to fraction form
    476,176.80/714,092.40 = 239,440.80/x
  3. Step 3: Cross multiply
    476,176.80x = 714,092.40 × 239,440.80
  4. Step 4: Simplify right side
    476,176.80x = 170,982,855,529.92
  5. Step 5: Solve for x
    x = 170,982,855,529.92/476,176.80
  6. Step 6: Final answer
    x = 359,074.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.