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Finding the Fourth Proportional to 360,483.98, 497,476.40 and 199,342.17

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Solution

The fourth proportional to 360,483.98, 497,476.40 and 199,342.17 is: 275,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,483.98 : 497,476.40 = 199,342.17 : x
  2. Step 2: Convert to fraction form
    360,483.98/497,476.40 = 199,342.17/x
  3. Step 3: Cross multiply
    360,483.98x = 497,476.40 × 199,342.17
  4. Step 4: Simplify right side
    360,483.98x = 99,168,024,103.08
  5. Step 5: Solve for x
    x = 99,168,024,103.08/360,483.98
  6. Step 6: Final answer
    x = 275,096.90

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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.