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Finding the Fourth Proportional to 469,303.31, 647,651.32 and 265,384.74

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Solution

The fourth proportional to 469,303.31, 647,651.32 and 265,384.74 is: 366,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,303.31 : 647,651.32 = 265,384.74 : x
  2. Step 2: Convert to fraction form
    469,303.31/647,651.32 = 265,384.74/x
  3. Step 3: Cross multiply
    469,303.31x = 647,651.32 × 265,384.74
  4. Step 4: Simplify right side
    469,303.31x = 171,876,777,168.86
  5. Step 5: Solve for x
    x = 171,876,777,168.86/469,303.31
  6. Step 6: Final answer
    x = 366,238.15

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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.