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Finding the Fourth Proportional to 612,451.15, 845,229.94 and 367,445.14

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Solution

The fourth proportional to 612,451.15, 845,229.94 and 367,445.14 is: 507,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,451.15 : 845,229.94 = 367,445.14 : x
  2. Step 2: Convert to fraction form
    612,451.15/845,229.94 = 367,445.14/x
  3. Step 3: Cross multiply
    612,451.15x = 845,229.94 × 367,445.14
  4. Step 4: Simplify right side
    612,451.15x = 310,575,630,603.80
  5. Step 5: Solve for x
    x = 310,575,630,603.80/612,451.15
  6. Step 6: Final answer
    x = 507,102.70

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1.5x scale

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.