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Finding the Fourth Proportional to 472,377.63, 651,857.58 and 268,401.63

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Solution

The fourth proportional to 472,377.63, 651,857.58 and 268,401.63 is: 370,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,377.63 : 651,857.58 = 268,401.63 : x
  2. Step 2: Convert to fraction form
    472,377.63/651,857.58 = 268,401.63/x
  3. Step 3: Cross multiply
    472,377.63x = 651,857.58 × 268,401.63
  4. Step 4: Simplify right side
    472,377.63x = 174,959,636,999.86
  5. Step 5: Solve for x
    x = 174,959,636,999.86/472,377.63
  6. Step 6: Final answer
    x = 370,380.87

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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.