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Finding the Fourth Proportional to 338,466.16, 507,165.12 and 124,940.16

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Solution

The fourth proportional to 338,466.16, 507,165.12 and 124,940.16 is: 187,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,466.16 : 507,165.12 = 124,940.16 : x
  2. Step 2: Convert to fraction form
    338,466.16/507,165.12 = 124,940.16/x
  3. Step 3: Cross multiply
    338,466.16x = 507,165.12 × 124,940.16
  4. Step 4: Simplify right side
    338,466.16x = 63,365,291,239.22
  5. Step 5: Solve for x
    x = 63,365,291,239.22/338,466.16
  6. Step 6: Final answer
    x = 187,213.08

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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.