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Finding the Fourth Proportional to 348,192.84, 480,505.86 and 197,289.84

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Solution

The fourth proportional to 348,192.84, 480,505.86 and 197,289.84 is: 272,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,192.84 : 480,505.86 = 197,289.84 : x
  2. Step 2: Convert to fraction form
    348,192.84/480,505.86 = 197,289.84/x
  3. Step 3: Cross multiply
    348,192.84x = 480,505.86 × 197,289.84
  4. Step 4: Simplify right side
    348,192.84x = 94,798,924,238.46
  5. Step 5: Solve for x
    x = 94,798,924,238.46/348,192.84
  6. Step 6: Final answer
    x = 272,259.83

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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.