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Finding the Fourth Proportional to 264,643.13, 365,207.52 and 145,411.13

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Solution

The fourth proportional to 264,643.13, 365,207.52 and 145,411.13 is: 200,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,643.13 : 365,207.52 = 145,411.13 : x
  2. Step 2: Convert to fraction form
    264,643.13/365,207.52 = 145,411.13/x
  3. Step 3: Cross multiply
    264,643.13x = 365,207.52 × 145,411.13
  4. Step 4: Simplify right side
    264,643.13x = 53,105,236,341.66
  5. Step 5: Solve for x
    x = 53,105,236,341.66/264,643.13
  6. Step 6: Final answer
    x = 200,667.36

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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.