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Finding the Fourth Proportional to 336,130.13, 504,196.20 and 86,812.13

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Solution

The fourth proportional to 336,130.13, 504,196.20 and 86,812.13 is: 130,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,130.13 : 504,196.20 = 86,812.13 : x
  2. Step 2: Convert to fraction form
    336,130.13/504,196.20 = 86,812.13/x
  3. Step 3: Cross multiply
    336,130.13x = 504,196.20 × 86,812.13
  4. Step 4: Simplify right side
    336,130.13x = 43,770,346,059.91
  5. Step 5: Solve for x
    x = 43,770,346,059.91/336,130.13
  6. Step 6: Final answer
    x = 130,218.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.