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Finding the Fourth Proportional to 349,373.89, 482,153.07 and 196,460.22

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Solution

The fourth proportional to 349,373.89, 482,153.07 and 196,460.22 is: 271,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,373.89 : 482,153.07 = 196,460.22 : x
  2. Step 2: Convert to fraction form
    349,373.89/482,153.07 = 196,460.22/x
  3. Step 3: Cross multiply
    349,373.89x = 482,153.07 × 196,460.22
  4. Step 4: Simplify right side
    349,373.89x = 94,723,898,038.56
  5. Step 5: Solve for x
    x = 94,723,898,038.56/349,373.89
  6. Step 6: Final answer
    x = 271,124.72

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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.