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Finding the Fourth Proportional to 352,762.05, 486,820.70 and 191,626.32

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Solution

The fourth proportional to 352,762.05, 486,820.70 and 191,626.32 is: 264,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,762.05 : 486,820.70 = 191,626.32 : x
  2. Step 2: Convert to fraction form
    352,762.05/486,820.70 = 191,626.32/x
  3. Step 3: Cross multiply
    352,762.05x = 486,820.70 × 191,626.32
  4. Step 4: Simplify right side
    352,762.05x = 93,287,658,282.69
  5. Step 5: Solve for x
    x = 93,287,658,282.69/352,762.05
  6. Step 6: Final answer
    x = 264,449.25

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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.