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Finding the Fourth Proportional to 352,476.55, 486,416.10 and 191,330.29

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Solution

The fourth proportional to 352,476.55, 486,416.10 and 191,330.29 is: 264,034.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,476.55 : 486,416.10 = 191,330.29 : x
  2. Step 2: Convert to fraction form
    352,476.55/486,416.10 = 191,330.29/x
  3. Step 3: Cross multiply
    352,476.55x = 486,416.10 × 191,330.29
  4. Step 4: Simplify right side
    352,476.55x = 93,066,133,473.67
  5. Step 5: Solve for x
    x = 93,066,133,473.67/352,476.55
  6. Step 6: Final answer
    x = 264,034.96

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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.