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Finding the Fourth Proportional to 352,475.16, 486,416.16 and 191,330.12

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Solution

The fourth proportional to 352,475.16, 486,416.16 and 191,330.12 is: 264,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,475.16 : 486,416.16 = 191,330.12 : x
  2. Step 2: Convert to fraction form
    352,475.16/486,416.16 = 191,330.12/x
  3. Step 3: Cross multiply
    352,475.16x = 486,416.16 × 191,330.12
  4. Step 4: Simplify right side
    352,475.16x = 93,066,062,262.74
  5. Step 5: Solve for x
    x = 93,066,062,262.74/352,475.16
  6. Step 6: Final answer
    x = 264,035.80

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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.