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Finding the Fourth Proportional to 473,140.56, 652,908.96 and 258,238.92

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Solution

The fourth proportional to 473,140.56, 652,908.96 and 258,238.92 is: 356,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,140.56 : 652,908.96 = 258,238.92 : x
  2. Step 2: Convert to fraction form
    473,140.56/652,908.96 = 258,238.92/x
  3. Step 3: Cross multiply
    473,140.56x = 652,908.96 × 258,238.92
  4. Step 4: Simplify right side
    473,140.56x = 168,606,504,688.72
  5. Step 5: Solve for x
    x = 168,606,504,688.72/473,140.56
  6. Step 6: Final answer
    x = 356,356.06

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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.