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Finding the Fourth Proportional to 442,220.22, 610,280.22 and 251,265.96

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Solution

The fourth proportional to 442,220.22, 610,280.22 and 251,265.96 is: 346,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,220.22 : 610,280.22 = 251,265.96 : x
  2. Step 2: Convert to fraction form
    442,220.22/610,280.22 = 251,265.96/x
  3. Step 3: Cross multiply
    442,220.22x = 610,280.22 × 251,265.96
  4. Step 4: Simplify right side
    442,220.22x = 153,342,645,347.31
  5. Step 5: Solve for x
    x = 153,342,645,347.31/442,220.22
  6. Step 6: Final answer
    x = 346,756.30

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1.5x scale

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.