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Finding the Fourth Proportional to 671,886.96, 927,203.94 and 370,080.96

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Solution

The fourth proportional to 671,886.96, 927,203.94 and 370,080.96 is: 510,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,886.96 : 927,203.94 = 370,080.96 : x
  2. Step 2: Convert to fraction form
    671,886.96/927,203.94 = 370,080.96/x
  3. Step 3: Cross multiply
    671,886.96x = 927,203.94 × 370,080.96
  4. Step 4: Simplify right side
    671,886.96x = 343,140,524,230.98
  5. Step 5: Solve for x
    x = 343,140,524,230.98/671,886.96
  6. Step 6: Final answer
    x = 510,711.69

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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.