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Finding the Fourth Proportional to 295,553.20, 442,673.70 and 243,065.20

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Solution

The fourth proportional to 295,553.20, 442,673.70 and 243,065.20 is: 364,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,553.20 : 442,673.70 = 243,065.20 : x
  2. Step 2: Convert to fraction form
    295,553.20/442,673.70 = 243,065.20/x
  3. Step 3: Cross multiply
    295,553.20x = 442,673.70 × 243,065.20
  4. Step 4: Simplify right side
    295,553.20x = 107,598,571,425.24
  5. Step 5: Solve for x
    x = 107,598,571,425.24/295,553.20
  6. Step 6: Final answer
    x = 364,058.22

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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.