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Finding the Fourth Proportional to 344,992.80, 517,562.93 and 105,125.86

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Solution

The fourth proportional to 344,992.80, 517,562.93 and 105,125.86 is: 157,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,992.80 : 517,562.93 = 105,125.86 : x
  2. Step 2: Convert to fraction form
    344,992.80/517,562.93 = 105,125.86/x
  3. Step 3: Cross multiply
    344,992.80x = 517,562.93 × 105,125.86
  4. Step 4: Simplify right side
    344,992.80x = 54,409,247,574.49
  5. Step 5: Solve for x
    x = 54,409,247,574.49/344,992.80
  6. Step 6: Final answer
    x = 157,711.25

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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.