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Finding the Fourth Proportional to 374,794.29, 517,214.48 and 202,712.45

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Solution

The fourth proportional to 374,794.29, 517,214.48 and 202,712.45 is: 279,742.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,794.29 : 517,214.48 = 202,712.45 : x
  2. Step 2: Convert to fraction form
    374,794.29/517,214.48 = 202,712.45/x
  3. Step 3: Cross multiply
    374,794.29x = 517,214.48 × 202,712.45
  4. Step 4: Simplify right side
    374,794.29x = 104,845,810,816.64
  5. Step 5: Solve for x
    x = 104,845,810,816.64/374,794.29
  6. Step 6: Final answer
    x = 279,742.28

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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.