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Finding the Fourth Proportional to 336,653.34, 505,048.86 and 136,972.14

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Solution

The fourth proportional to 336,653.34, 505,048.86 and 136,972.14 is: 205,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,653.34 : 505,048.86 = 136,972.14 : x
  2. Step 2: Convert to fraction form
    336,653.34/505,048.86 = 136,972.14/x
  3. Step 3: Cross multiply
    336,653.34x = 505,048.86 × 136,972.14
  4. Step 4: Simplify right side
    336,653.34x = 69,177,623,158.76
  5. Step 5: Solve for x
    x = 69,177,623,158.76/336,653.34
  6. Step 6: Final answer
    x = 205,486.22

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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.