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Finding the Fourth Proportional to 457,949.76, 631,240.46 and 360,995.50

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Solution

The fourth proportional to 457,949.76, 631,240.46 and 360,995.50 is: 497,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,949.76 : 631,240.46 = 360,995.50 : x
  2. Step 2: Convert to fraction form
    457,949.76/631,240.46 = 360,995.50/x
  3. Step 3: Cross multiply
    457,949.76x = 631,240.46 × 360,995.50
  4. Step 4: Simplify right side
    457,949.76x = 227,874,965,477.93
  5. Step 5: Solve for x
    x = 227,874,965,477.93/457,949.76
  6. Step 6: Final answer
    x = 497,598.18

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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.