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Finding the Fourth Proportional to 374,441.87, 516,729.44 and 202,359.74

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Solution

The fourth proportional to 374,441.87, 516,729.44 and 202,359.74 is: 279,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,441.87 : 516,729.44 = 202,359.74 : x
  2. Step 2: Convert to fraction form
    374,441.87/516,729.44 = 202,359.74/x
  3. Step 3: Cross multiply
    374,441.87x = 516,729.44 × 202,359.74
  4. Step 4: Simplify right side
    374,441.87x = 104,565,233,051.00
  5. Step 5: Solve for x
    x = 104,565,233,051.00/374,441.87
  6. Step 6: Final answer
    x = 279,256.25

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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.