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Finding the Fourth Proportional to 575,164.40, 863,135.40 and 322,444.40

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Solution

The fourth proportional to 575,164.40, 863,135.40 and 322,444.40 is: 483,884.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,164.40 : 863,135.40 = 322,444.40 : x
  2. Step 2: Convert to fraction form
    575,164.40/863,135.40 = 322,444.40/x
  3. Step 3: Cross multiply
    575,164.40x = 863,135.40 × 322,444.40
  4. Step 4: Simplify right side
    575,164.40x = 278,313,176,171.76
  5. Step 5: Solve for x
    x = 278,313,176,171.76/575,164.40
  6. Step 6: Final answer
    x = 483,884.57

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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.