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Finding the Fourth Proportional to 354,173.46, 488,752.70 and 193,029.63

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Solution

The fourth proportional to 354,173.46, 488,752.70 and 193,029.63 is: 266,377.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,173.46 : 488,752.70 = 193,029.63 : x
  2. Step 2: Convert to fraction form
    354,173.46/488,752.70 = 193,029.63/x
  3. Step 3: Cross multiply
    354,173.46x = 488,752.70 × 193,029.63
  4. Step 4: Simplify right side
    354,173.46x = 94,343,751,877.35
  5. Step 5: Solve for x
    x = 94,343,751,877.35/354,173.46
  6. Step 6: Final answer
    x = 266,377.25

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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.