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Finding the Fourth Proportional to 845,214.22, 1,267,347.02 and 365,142.43

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Solution

The fourth proportional to 845,214.22, 1,267,347.02 and 365,142.43 is: 547,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,214.22 : 1,267,347.02 = 365,142.43 : x
  2. Step 2: Convert to fraction form
    845,214.22/1,267,347.02 = 365,142.43/x
  3. Step 3: Cross multiply
    845,214.22x = 1,267,347.02 × 365,142.43
  4. Step 4: Simplify right side
    845,214.22x = 462,762,170,052.79
  5. Step 5: Solve for x
    x = 462,762,170,052.79/845,214.22
  6. Step 6: Final answer
    x = 547,508.74

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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.