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Finding the Fourth Proportional to 488,442.90, 732,664.35 and 222,722.40

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Solution

The fourth proportional to 488,442.90, 732,664.35 and 222,722.40 is: 334,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,442.90 : 732,664.35 = 222,722.40 : x
  2. Step 2: Convert to fraction form
    488,442.90/732,664.35 = 222,722.40/x
  3. Step 3: Cross multiply
    488,442.90x = 732,664.35 × 222,722.40
  4. Step 4: Simplify right side
    488,442.90x = 163,180,762,426.44
  5. Step 5: Solve for x
    x = 163,180,762,426.44/488,442.90
  6. Step 6: Final answer
    x = 334,083.60

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1.5x scale

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.