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Finding the Fourth Proportional to 612,416.36, 845,181.88 and 367,410.33

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Solution

The fourth proportional to 612,416.36, 845,181.88 and 367,410.33 is: 507,054.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,416.36 : 845,181.88 = 367,410.33 : x
  2. Step 2: Convert to fraction form
    612,416.36/845,181.88 = 367,410.33/x
  3. Step 3: Cross multiply
    612,416.36x = 845,181.88 × 367,410.33
  4. Step 4: Simplify right side
    612,416.36x = 310,528,552,522.30
  5. Step 5: Solve for x
    x = 310,528,552,522.30/612,416.36
  6. Step 6: Final answer
    x = 507,054.63

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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.