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Finding the Fourth Proportional to 476,870.70, 714,654.81 and 240,373.38

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Solution

The fourth proportional to 476,870.70, 714,654.81 and 240,373.38 is: 360,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,870.70 : 714,654.81 = 240,373.38 : x
  2. Step 2: Convert to fraction form
    476,870.70/714,654.81 = 240,373.38/x
  3. Step 3: Cross multiply
    476,870.70x = 714,654.81 × 240,373.38
  4. Step 4: Simplify right side
    476,870.70x = 171,783,992,212.96
  5. Step 5: Solve for x
    x = 171,783,992,212.96/476,870.70
  6. Step 6: Final answer
    x = 360,231.80

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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.