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Finding the Fourth Proportional to 344,555.93, 475,490.25 and 189,510.28

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Solution

The fourth proportional to 344,555.93, 475,490.25 and 189,510.28 is: 261,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,555.93 : 475,490.25 = 189,510.28 : x
  2. Step 2: Convert to fraction form
    344,555.93/475,490.25 = 189,510.28/x
  3. Step 3: Cross multiply
    344,555.93x = 475,490.25 × 189,510.28
  4. Step 4: Simplify right side
    344,555.93x = 90,110,291,900.68
  5. Step 5: Solve for x
    x = 90,110,291,900.68/344,555.93
  6. Step 6: Final answer
    x = 261,525.88

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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.