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Finding the Fourth Proportional to 606,485.60, 909,947.10 and 251,608.40

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Solution

The fourth proportional to 606,485.60, 909,947.10 and 251,608.40 is: 377,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,485.60 : 909,947.10 = 251,608.40 : x
  2. Step 2: Convert to fraction form
    606,485.60/909,947.10 = 251,608.40/x
  3. Step 3: Cross multiply
    606,485.60x = 909,947.10 × 251,608.40
  4. Step 4: Simplify right side
    606,485.60x = 228,950,333,915.64
  5. Step 5: Solve for x
    x = 228,950,333,915.64/606,485.60
  6. Step 6: Final answer
    x = 377,503.33

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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.