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Finding the Fourth Proportional to 340,313.50, 510,785.88 and 171,952.07

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Solution

The fourth proportional to 340,313.50, 510,785.88 and 171,952.07 is: 258,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,313.50 : 510,785.88 = 171,952.07 : x
  2. Step 2: Convert to fraction form
    340,313.50/510,785.88 = 171,952.07/x
  3. Step 3: Cross multiply
    340,313.50x = 510,785.88 × 171,952.07
  4. Step 4: Simplify right side
    340,313.50x = 87,830,689,392.77
  5. Step 5: Solve for x
    x = 87,830,689,392.77/340,313.50
  6. Step 6: Final answer
    x = 258,087.59

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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.