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Finding the Fourth Proportional to 360,444.04, 497,449.08 and 199,311.28

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Solution

The fourth proportional to 360,444.04, 497,449.08 and 199,311.28 is: 275,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,444.04 : 497,449.08 = 199,311.28 : x
  2. Step 2: Convert to fraction form
    360,444.04/497,449.08 = 199,311.28/x
  3. Step 3: Cross multiply
    360,444.04x = 497,449.08 × 199,311.28
  4. Step 4: Simplify right side
    360,444.04x = 99,147,212,869.62
  5. Step 5: Solve for x
    x = 99,147,212,869.62/360,444.04
  6. Step 6: Final answer
    x = 275,069.64

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Half scale
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Double scale
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Similar ratio
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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.