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Finding the Fourth Proportional to 607,515.60, 911,273.40 and 158,232.90

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Solution

The fourth proportional to 607,515.60, 911,273.40 and 158,232.90 is: 237,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,515.60 : 911,273.40 = 158,232.90 : x
  2. Step 2: Convert to fraction form
    607,515.60/911,273.40 = 158,232.90/x
  3. Step 3: Cross multiply
    607,515.60x = 911,273.40 × 158,232.90
  4. Step 4: Simplify right side
    607,515.60x = 144,193,432,774.86
  5. Step 5: Solve for x
    x = 144,193,432,774.86/607,515.60
  6. Step 6: Final answer
    x = 237,349.35

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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.