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Finding the Fourth Proportional to 544,870.70, 751,909.84 and 315,437.69

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Solution

The fourth proportional to 544,870.70, 751,909.84 and 315,437.69 is: 435,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,870.70 : 751,909.84 = 315,437.69 : x
  2. Step 2: Convert to fraction form
    544,870.70/751,909.84 = 315,437.69/x
  3. Step 3: Cross multiply
    544,870.70x = 751,909.84 × 315,437.69
  4. Step 4: Simplify right side
    544,870.70x = 237,180,704,109.05
  5. Step 5: Solve for x
    x = 237,180,704,109.05/544,870.70
  6. Step 6: Final answer
    x = 435,297.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.