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Finding the Fourth Proportional to 537,039.64, 740,933.30 and 304,441.63

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Solution

The fourth proportional to 537,039.64, 740,933.30 and 304,441.63 is: 420,026.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,039.64 : 740,933.30 = 304,441.63 : x
  2. Step 2: Convert to fraction form
    537,039.64/740,933.30 = 304,441.63/x
  3. Step 3: Cross multiply
    537,039.64x = 740,933.30 × 304,441.63
  4. Step 4: Simplify right side
    537,039.64x = 225,570,936,346.40
  5. Step 5: Solve for x
    x = 225,570,936,346.40/537,039.64
  6. Step 6: Final answer
    x = 420,026.61

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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.