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Finding the Fourth Proportional to 383,873.55, 571,870.58 and 366,601.79

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Solution

The fourth proportional to 383,873.55, 571,870.58 and 366,601.79 is: 546,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,873.55 : 571,870.58 = 366,601.79 : x
  2. Step 2: Convert to fraction form
    383,873.55/571,870.58 = 366,601.79/x
  3. Step 3: Cross multiply
    383,873.55x = 571,870.58 × 366,601.79
  4. Step 4: Simplify right side
    383,873.55x = 209,648,776,333.49
  5. Step 5: Solve for x
    x = 209,648,776,333.49/383,873.55
  6. Step 6: Final answer
    x = 546,140.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.