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Finding the Fourth Proportional to 295,309.44, 442,997.28 and 108,320.40

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Solution

The fourth proportional to 295,309.44, 442,997.28 and 108,320.40 is: 162,492.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,309.44 : 442,997.28 = 108,320.40 : x
  2. Step 2: Convert to fraction form
    295,309.44/442,997.28 = 108,320.40/x
  3. Step 3: Cross multiply
    295,309.44x = 442,997.28 × 108,320.40
  4. Step 4: Simplify right side
    295,309.44x = 47,985,642,568.51
  5. Step 5: Solve for x
    x = 47,985,642,568.51/295,309.44
  6. Step 6: Final answer
    x = 162,492.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.