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Finding the Fourth Proportional to 543,988.44, 750,488.94 and 314,503.56

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Solution

The fourth proportional to 543,988.44, 750,488.94 and 314,503.56 is: 433,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,988.44 : 750,488.94 = 314,503.56 : x
  2. Step 2: Convert to fraction form
    543,988.44/750,488.94 = 314,503.56/x
  3. Step 3: Cross multiply
    543,988.44x = 750,488.94 × 314,503.56
  4. Step 4: Simplify right side
    543,988.44x = 236,031,443,370.63
  5. Step 5: Solve for x
    x = 236,031,443,370.63/543,988.44
  6. Step 6: Final answer
    x = 433,890.55

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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.