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Finding the Fourth Proportional to 314,279.13, 433,696.87 and 171,036.10

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Solution

The fourth proportional to 314,279.13, 433,696.87 and 171,036.10 is: 236,025.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,279.13 : 433,696.87 = 171,036.10 : x
  2. Step 2: Convert to fraction form
    314,279.13/433,696.87 = 171,036.10/x
  3. Step 3: Cross multiply
    314,279.13x = 433,696.87 × 171,036.10
  4. Step 4: Simplify right side
    314,279.13x = 74,177,821,227.01
  5. Step 5: Solve for x
    x = 74,177,821,227.01/314,279.13
  6. Step 6: Final answer
    x = 236,025.28

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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.