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Finding the Fourth Proportional to 541,215.54, 746,866.31 and 299,483.78

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Solution

The fourth proportional to 541,215.54, 746,866.31 and 299,483.78 is: 413,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,215.54 : 746,866.31 = 299,483.78 : x
  2. Step 2: Convert to fraction form
    541,215.54/746,866.31 = 299,483.78/x
  3. Step 3: Cross multiply
    541,215.54x = 746,866.31 × 299,483.78
  4. Step 4: Simplify right side
    541,215.54x = 223,674,340,441.70
  5. Step 5: Solve for x
    x = 223,674,340,441.70/541,215.54
  6. Step 6: Final answer
    x = 413,281.45

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1.5x scale

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.