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Finding the Fourth Proportional to 860,601.60, 1,291,161.60 and 461,433.60

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Solution

The fourth proportional to 860,601.60, 1,291,161.60 and 461,433.60 is: 692,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,601.60 : 1,291,161.60 = 461,433.60 : x
  2. Step 2: Convert to fraction form
    860,601.60/1,291,161.60 = 461,433.60/x
  3. Step 3: Cross multiply
    860,601.60x = 1,291,161.60 × 461,433.60
  4. Step 4: Simplify right side
    860,601.60x = 595,785,345,269.76
  5. Step 5: Solve for x
    x = 595,785,345,269.76/860,601.60
  6. Step 6: Final answer
    x = 692,289.38

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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.