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Finding the Fourth Proportional to 672,636.44, 927,713.41 and 430,941.66

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Solution

The fourth proportional to 672,636.44, 927,713.41 and 430,941.66 is: 594,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,636.44 : 927,713.41 = 430,941.66 : x
  2. Step 2: Convert to fraction form
    672,636.44/927,713.41 = 430,941.66/x
  3. Step 3: Cross multiply
    672,636.44x = 927,713.41 × 430,941.66
  4. Step 4: Simplify right side
    672,636.44x = 399,790,356,909.66
  5. Step 5: Solve for x
    x = 399,790,356,909.66/672,636.44
  6. Step 6: Final answer
    x = 594,363.21

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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.