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Finding the Fourth Proportional to 632,255.60, 946,415.10 and 612,572.60

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Solution

The fourth proportional to 632,255.60, 946,415.10 and 612,572.60 is: 916,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,255.60 : 946,415.10 = 612,572.60 : x
  2. Step 2: Convert to fraction form
    632,255.60/946,415.10 = 612,572.60/x
  3. Step 3: Cross multiply
    632,255.60x = 946,415.10 × 612,572.60
  4. Step 4: Simplify right side
    632,255.60x = 579,747,958,486.26
  5. Step 5: Solve for x
    x = 579,747,958,486.26/632,255.60
  6. Step 6: Final answer
    x = 916,951.88

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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.