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Finding the Fourth Proportional to 360,487.62, 497,476.13 and 199,353.51

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Solution

The fourth proportional to 360,487.62, 497,476.13 and 199,353.51 is: 275,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,487.62 : 497,476.13 = 199,353.51 : x
  2. Step 2: Convert to fraction form
    360,487.62/497,476.13 = 199,353.51/x
  3. Step 3: Cross multiply
    360,487.62x = 497,476.13 × 199,353.51
  4. Step 4: Simplify right side
    360,487.62x = 99,173,612,656.72
  5. Step 5: Solve for x
    x = 99,173,612,656.72/360,487.62
  6. Step 6: Final answer
    x = 275,109.62

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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.