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Finding the Fourth Proportional to 348,385.73, 480,777.53 and 195,457.73

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Solution

The fourth proportional to 348,385.73, 480,777.53 and 195,457.73 is: 269,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,385.73 : 480,777.53 = 195,457.73 : x
  2. Step 2: Convert to fraction form
    348,385.73/480,777.53 = 195,457.73/x
  3. Step 3: Cross multiply
    348,385.73x = 480,777.53 × 195,457.73
  4. Step 4: Simplify right side
    348,385.73x = 93,971,681,267.63
  5. Step 5: Solve for x
    x = 93,971,681,267.63/348,385.73
  6. Step 6: Final answer
    x = 269,734.59

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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.