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Finding the Fourth Proportional to 579,504.40, 868,565.40 and 242,544.40

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Solution

The fourth proportional to 579,504.40, 868,565.40 and 242,544.40 is: 363,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,504.40 : 868,565.40 = 242,544.40 : x
  2. Step 2: Convert to fraction form
    579,504.40/868,565.40 = 242,544.40/x
  3. Step 3: Cross multiply
    579,504.40x = 868,565.40 × 242,544.40
  4. Step 4: Simplify right side
    579,504.40x = 210,665,673,803.76
  5. Step 5: Solve for x
    x = 210,665,673,803.76/579,504.40
  6. Step 6: Final answer
    x = 363,527.31

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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.