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Finding the Fourth Proportional to 258,955.00, 357,375.87 and 156,984.76

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Solution

The fourth proportional to 258,955.00, 357,375.87 and 156,984.76 is: 216,649.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,955.00 : 357,375.87 = 156,984.76 : x
  2. Step 2: Convert to fraction form
    258,955.00/357,375.87 = 156,984.76/x
  3. Step 3: Cross multiply
    258,955.00x = 357,375.87 × 156,984.76
  4. Step 4: Simplify right side
    258,955.00x = 56,102,565,628.46
  5. Step 5: Solve for x
    x = 56,102,565,628.46/258,955.00
  6. Step 6: Final answer
    x = 216,649.86

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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.