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Finding the Fourth Proportional to 543,808.04, 750,544.26 and 314,372.84

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Solution

The fourth proportional to 543,808.04, 750,544.26 and 314,372.84 is: 433,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,808.04 : 750,544.26 = 314,372.84 : x
  2. Step 2: Convert to fraction form
    543,808.04/750,544.26 = 314,372.84/x
  3. Step 3: Cross multiply
    543,808.04x = 750,544.26 × 314,372.84
  4. Step 4: Simplify right side
    543,808.04x = 235,950,730,561.90
  5. Step 5: Solve for x
    x = 235,950,730,561.90/543,808.04
  6. Step 6: Final answer
    x = 433,886.06

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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.