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Finding the Fourth Proportional to 352,762.16, 486,820.80 and 191,626.40

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Solution

The fourth proportional to 352,762.16, 486,820.80 and 191,626.40 is: 264,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,762.16 : 486,820.80 = 191,626.40 : x
  2. Step 2: Convert to fraction form
    352,762.16/486,820.80 = 191,626.40/x
  3. Step 3: Cross multiply
    352,762.16x = 486,820.80 × 191,626.40
  4. Step 4: Simplify right side
    352,762.16x = 93,287,717,349.12
  5. Step 5: Solve for x
    x = 93,287,717,349.12/352,762.16
  6. Step 6: Final answer
    x = 264,449.33

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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.