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Finding the Fourth Proportional to 480,705.82, 663,347.03 and 262,871.26

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Solution

The fourth proportional to 480,705.82, 663,347.03 and 262,871.26 is: 362,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,705.82 : 663,347.03 = 262,871.26 : x
  2. Step 2: Convert to fraction form
    480,705.82/663,347.03 = 262,871.26/x
  3. Step 3: Cross multiply
    480,705.82x = 663,347.03 × 262,871.26
  4. Step 4: Simplify right side
    480,705.82x = 174,374,866,620.63
  5. Step 5: Solve for x
    x = 174,374,866,620.63/480,705.82
  6. Step 6: Final answer
    x = 362,747.57

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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.