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Finding the Fourth Proportional to 480,588.31, 663,225.87 and 262,809.82

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Solution

The fourth proportional to 480,588.31, 663,225.87 and 262,809.82 is: 362,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,588.31 : 663,225.87 = 262,809.82 : x
  2. Step 2: Convert to fraction form
    480,588.31/663,225.87 = 262,809.82/x
  3. Step 3: Cross multiply
    480,588.31x = 663,225.87 × 262,809.82
  4. Step 4: Simplify right side
    480,588.31x = 174,302,271,514.04
  5. Step 5: Solve for x
    x = 174,302,271,514.04/480,588.31
  6. Step 6: Final answer
    x = 362,685.21

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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.