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Finding the Fourth Proportional to 559,503.76, 839,987.28 and 332,214.40

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Solution

The fourth proportional to 559,503.76, 839,987.28 and 332,214.40 is: 498,756.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,503.76 : 839,987.28 = 332,214.40 : x
  2. Step 2: Convert to fraction form
    559,503.76/839,987.28 = 332,214.40/x
  3. Step 3: Cross multiply
    559,503.76x = 839,987.28 × 332,214.40
  4. Step 4: Simplify right side
    559,503.76x = 279,055,870,232.83
  5. Step 5: Solve for x
    x = 279,055,870,232.83/559,503.76
  6. Step 6: Final answer
    x = 498,756.02

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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.