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Finding the Fourth Proportional to 251,883, 347,566.86 and 170,389.08

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Solution

The fourth proportional to 251,883, 347,566.86 and 170,389.08 is: 235,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,883 : 347,566.86 = 170,389.08 : x
  2. Step 2: Convert to fraction form
    251,883/347,566.86 = 170,389.08/x
  3. Step 3: Cross multiply
    251,883x = 347,566.86 × 170,389.08
  4. Step 4: Simplify right side
    251,883x = 59,221,597,513.89
  5. Step 5: Solve for x
    x = 59,221,597,513.89/251,883
  6. Step 6: Final answer
    x = 235,115.50

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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.