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Finding the Fourth Proportional to 338,620.40, 507,934.92 and 233,411.12

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Solution

The fourth proportional to 338,620.40, 507,934.92 and 233,411.12 is: 350,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,620.40 : 507,934.92 = 233,411.12 : x
  2. Step 2: Convert to fraction form
    338,620.40/507,934.92 = 233,411.12/x
  3. Step 3: Cross multiply
    338,620.40x = 507,934.92 × 233,411.12
  4. Step 4: Simplify right side
    338,620.40x = 118,557,658,564.31
  5. Step 5: Solve for x
    x = 118,557,658,564.31/338,620.40
  6. Step 6: Final answer
    x = 350,119.66

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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.