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Finding the Fourth Proportional to 338,297.18, 507,445.16 and 148,712.22

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Solution

The fourth proportional to 338,297.18, 507,445.16 and 148,712.22 is: 223,068.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,297.18 : 507,445.16 = 148,712.22 : x
  2. Step 2: Convert to fraction form
    338,297.18/507,445.16 = 148,712.22/x
  3. Step 3: Cross multiply
    338,297.18x = 507,445.16 × 148,712.22
  4. Step 4: Simplify right side
    338,297.18x = 75,463,295,528.29
  5. Step 5: Solve for x
    x = 75,463,295,528.29/338,297.18
  6. Step 6: Final answer
    x = 223,068.06

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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.