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Finding the Fourth Proportional to 348,230.72, 522,493.67 and 190,274.65

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Solution

The fourth proportional to 348,230.72, 522,493.67 and 190,274.65 is: 285,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,230.72 : 522,493.67 = 190,274.65 : x
  2. Step 2: Convert to fraction form
    348,230.72/522,493.67 = 190,274.65/x
  3. Step 3: Cross multiply
    348,230.72x = 522,493.67 × 190,274.65
  4. Step 4: Simplify right side
    348,230.72x = 99,417,300,186.47
  5. Step 5: Solve for x
    x = 99,417,300,186.47/348,230.72
  6. Step 6: Final answer
    x = 285,492.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.