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Finding the Fourth Proportional to 480,252.80, 718,708.03 and 297,798.31

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Solution

The fourth proportional to 480,252.80, 718,708.03 and 297,798.31 is: 445,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,252.80 : 718,708.03 = 297,798.31 : x
  2. Step 2: Convert to fraction form
    480,252.80/718,708.03 = 297,798.31/x
  3. Step 3: Cross multiply
    480,252.80x = 718,708.03 × 297,798.31
  4. Step 4: Simplify right side
    480,252.80x = 214,030,036,717.43
  5. Step 5: Solve for x
    x = 214,030,036,717.43/480,252.80
  6. Step 6: Final answer
    x = 445,661.19

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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.