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Finding the Fourth Proportional to 907,481.60, 1,361,805.60 and 528,401.60

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Solution

The fourth proportional to 907,481.60, 1,361,805.60 and 528,401.60 is: 792,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,481.60 : 1,361,805.60 = 528,401.60 : x
  2. Step 2: Convert to fraction form
    907,481.60/1,361,805.60 = 528,401.60/x
  3. Step 3: Cross multiply
    907,481.60x = 1,361,805.60 × 528,401.60
  4. Step 4: Simplify right side
    907,481.60x = 719,580,257,928.96
  5. Step 5: Solve for x
    x = 719,580,257,928.96/907,481.60
  6. Step 6: Final answer
    x = 792,941.98

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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.