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Finding the Fourth Proportional to 476,285.40, 714,243.42 and 239,462.46

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Solution

The fourth proportional to 476,285.40, 714,243.42 and 239,462.46 is: 359,100.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,285.40 : 714,243.42 = 239,462.46 : x
  2. Step 2: Convert to fraction form
    476,285.40/714,243.42 = 239,462.46/x
  3. Step 3: Cross multiply
    476,285.40x = 714,243.42 × 239,462.46
  4. Step 4: Simplify right side
    476,285.40x = 171,034,486,392.01
  5. Step 5: Solve for x
    x = 171,034,486,392.01/476,285.40
  6. Step 6: Final answer
    x = 359,100.84

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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.