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Finding the Fourth Proportional to 607,592.90, 911,411.22 and 228,478.88

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Solution

The fourth proportional to 607,592.90, 911,411.22 and 228,478.88 is: 342,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,592.90 : 911,411.22 = 228,478.88 : x
  2. Step 2: Convert to fraction form
    607,592.90/911,411.22 = 228,478.88/x
  3. Step 3: Cross multiply
    607,592.90x = 911,411.22 × 228,478.88
  4. Step 4: Simplify right side
    607,592.90x = 208,238,214,765.03
  5. Step 5: Solve for x
    x = 208,238,214,765.03/607,592.90
  6. Step 6: Final answer
    x = 342,726.54

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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.