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Finding the Fourth Proportional to 338,616.40, 507,928.92 and 233,407.12

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Solution

The fourth proportional to 338,616.40, 507,928.92 and 233,407.12 is: 350,113.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,616.40 : 507,928.92 = 233,407.12 : x
  2. Step 2: Convert to fraction form
    338,616.40/507,928.92 = 233,407.12/x
  3. Step 3: Cross multiply
    338,616.40x = 507,928.92 × 233,407.12
  4. Step 4: Simplify right side
    338,616.40x = 118,554,226,381.91
  5. Step 5: Solve for x
    x = 118,554,226,381.91/338,616.40
  6. Step 6: Final answer
    x = 350,113.66

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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.