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Finding the Fourth Proportional to 543,988.54, 750,618.39 and 314,460.46

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Solution

The fourth proportional to 543,988.54, 750,618.39 and 314,460.46 is: 433,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,988.54 : 750,618.39 = 314,460.46 : x
  2. Step 2: Convert to fraction form
    543,988.54/750,618.39 = 314,460.46/x
  3. Step 3: Cross multiply
    543,988.54x = 750,618.39 × 314,460.46
  4. Step 4: Simplify right side
    543,988.54x = 236,039,804,203.86
  5. Step 5: Solve for x
    x = 236,039,804,203.86/543,988.54
  6. Step 6: Final answer
    x = 433,905.84

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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.