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Finding the Fourth Proportional to 845,345, 1,166,695.44 and 523,158.86

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Solution

The fourth proportional to 845,345, 1,166,695.44 and 523,158.86 is: 722,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,345 : 1,166,695.44 = 523,158.86 : x
  2. Step 2: Convert to fraction form
    845,345/1,166,695.44 = 523,158.86/x
  3. Step 3: Cross multiply
    845,345x = 1,166,695.44 × 523,158.86
  4. Step 4: Simplify right side
    845,345x = 610,367,056,357.60
  5. Step 5: Solve for x
    x = 610,367,056,357.60/845,345
  6. Step 6: Final answer
    x = 722,033.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.