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Finding the Fourth Proportional to 360,486.62, 497,474.75 and 199,352.51

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Solution

The fourth proportional to 360,486.62, 497,474.75 and 199,352.51 is: 275,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,486.62 : 497,474.75 = 199,352.51 : x
  2. Step 2: Convert to fraction form
    360,486.62/497,474.75 = 199,352.51/x
  3. Step 3: Cross multiply
    360,486.62x = 497,474.75 × 199,352.51
  4. Step 4: Simplify right side
    360,486.62x = 99,172,838,085.13
  5. Step 5: Solve for x
    x = 99,172,838,085.13/360,486.62
  6. Step 6: Final answer
    x = 275,108.24

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Double scale
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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.