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Finding the Fourth Proportional to 349,373.61, 482,152.69 and 196,459.94

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Solution

The fourth proportional to 349,373.61, 482,152.69 and 196,459.94 is: 271,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,373.61 : 482,152.69 = 196,459.94 : x
  2. Step 2: Convert to fraction form
    349,373.61/482,152.69 = 196,459.94/x
  3. Step 3: Cross multiply
    349,373.61x = 482,152.69 × 196,459.94
  4. Step 4: Simplify right side
    349,373.61x = 94,723,689,999.20
  5. Step 5: Solve for x
    x = 94,723,689,999.20/349,373.61
  6. Step 6: Final answer
    x = 271,124.34

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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.