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Finding the Fourth Proportional to 466,355.20, 699,705.60 and 449,075.20

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Solution

The fourth proportional to 466,355.20, 699,705.60 and 449,075.20 is: 673,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,355.20 : 699,705.60 = 449,075.20 : x
  2. Step 2: Convert to fraction form
    466,355.20/699,705.60 = 449,075.20/x
  3. Step 3: Cross multiply
    466,355.20x = 699,705.60 × 449,075.20
  4. Step 4: Simplify right side
    466,355.20x = 314,220,432,261.12
  5. Step 5: Solve for x
    x = 314,220,432,261.12/466,355.20
  6. Step 6: Final answer
    x = 673,779.20

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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.