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Finding the Fourth Proportional to 352,520.51, 486,477 and 191,374.38

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Solution

The fourth proportional to 352,520.51, 486,477 and 191,374.38 is: 264,095.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,520.51 : 486,477 = 191,374.38 : x
  2. Step 2: Convert to fraction form
    352,520.51/486,477 = 191,374.38/x
  3. Step 3: Cross multiply
    352,520.51x = 486,477 × 191,374.38
  4. Step 4: Simplify right side
    352,520.51x = 93,099,234,259.26
  5. Step 5: Solve for x
    x = 93,099,234,259.26/352,520.51
  6. Step 6: Final answer
    x = 264,095.94

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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.