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Finding the Fourth Proportional to 581,873.32, 873,211.74 and 382,289.32

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Solution

The fourth proportional to 581,873.32, 873,211.74 and 382,289.32 is: 573,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,873.32 : 873,211.74 = 382,289.32 : x
  2. Step 2: Convert to fraction form
    581,873.32/873,211.74 = 382,289.32/x
  3. Step 3: Cross multiply
    581,873.32x = 873,211.74 × 382,289.32
  4. Step 4: Simplify right side
    581,873.32x = 333,819,522,300.62
  5. Step 5: Solve for x
    x = 333,819,522,300.62/581,873.32
  6. Step 6: Final answer
    x = 573,697.94

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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.