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Finding the Fourth Proportional to 431,752.14, 595,820.30 and 238,166.70

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Solution

The fourth proportional to 431,752.14, 595,820.30 and 238,166.70 is: 328,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,752.14 : 595,820.30 = 238,166.70 : x
  2. Step 2: Convert to fraction form
    431,752.14/595,820.30 = 238,166.70/x
  3. Step 3: Cross multiply
    431,752.14x = 595,820.30 × 238,166.70
  4. Step 4: Simplify right side
    431,752.14x = 141,904,553,453.18
  5. Step 5: Solve for x
    x = 141,904,553,453.18/431,752.14
  6. Step 6: Final answer
    x = 328,671.34

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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.