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Finding the Fourth Proportional to 313,329.67, 432,507.27 and 186,005.37

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Solution

The fourth proportional to 313,329.67, 432,507.27 and 186,005.37 is: 256,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,329.67 : 432,507.27 = 186,005.37 : x
  2. Step 2: Convert to fraction form
    313,329.67/432,507.27 = 186,005.37/x
  3. Step 3: Cross multiply
    313,329.67x = 432,507.27 × 186,005.37
  4. Step 4: Simplify right side
    313,329.67x = 80,448,672,621.50
  5. Step 5: Solve for x
    x = 80,448,672,621.50/313,329.67
  6. Step 6: Final answer
    x = 256,754.08

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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.