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Finding the Fourth Proportional to 480,705.69, 663,346.85 and 262,871.13

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Solution

The fourth proportional to 480,705.69, 663,346.85 and 262,871.13 is: 362,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,705.69 : 663,346.85 = 262,871.13 : x
  2. Step 2: Convert to fraction form
    480,705.69/663,346.85 = 262,871.13/x
  3. Step 3: Cross multiply
    480,705.69x = 663,346.85 × 262,871.13
  4. Step 4: Simplify right side
    480,705.69x = 174,374,736,041.44
  5. Step 5: Solve for x
    x = 174,374,736,041.44/480,705.69
  6. Step 6: Final answer
    x = 362,747.39

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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.