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Finding the Fourth Proportional to 344,601.95, 516,903.10 and 131,320.13

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Solution

The fourth proportional to 344,601.95, 516,903.10 and 131,320.13 is: 196,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,601.95 : 516,903.10 = 131,320.13 : x
  2. Step 2: Convert to fraction form
    344,601.95/516,903.10 = 131,320.13/x
  3. Step 3: Cross multiply
    344,601.95x = 516,903.10 × 131,320.13
  4. Step 4: Simplify right side
    344,601.95x = 67,879,779,376.59
  5. Step 5: Solve for x
    x = 67,879,779,376.59/344,601.95
  6. Step 6: Final answer
    x = 196,980.26

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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.