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Finding the Fourth Proportional to 573,179.70, 858,458.55 and 273,870.54

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Solution

The fourth proportional to 573,179.70, 858,458.55 and 273,870.54 is: 410,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,179.70 : 858,458.55 = 273,870.54 : x
  2. Step 2: Convert to fraction form
    573,179.70/858,458.55 = 273,870.54/x
  3. Step 3: Cross multiply
    573,179.70x = 858,458.55 × 273,870.54
  4. Step 4: Simplify right side
    573,179.70x = 235,106,506,656.12
  5. Step 5: Solve for x
    x = 235,106,506,656.12/573,179.70
  6. Step 6: Final answer
    x = 410,179.40

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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.