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Finding the Fourth Proportional to 374,352.64, 561,791.40 and 216,363.76

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Solution

The fourth proportional to 374,352.64, 561,791.40 and 216,363.76 is: 324,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,352.64 : 561,791.40 = 216,363.76 : x
  2. Step 2: Convert to fraction form
    374,352.64/561,791.40 = 216,363.76/x
  3. Step 3: Cross multiply
    374,352.64x = 561,791.40 × 216,363.76
  4. Step 4: Simplify right side
    374,352.64x = 121,551,299,639.66
  5. Step 5: Solve for x
    x = 121,551,299,639.66/374,352.64
  6. Step 6: Final answer
    x = 324,697.32

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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.