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Finding the Fourth Proportional to 259,800.50, 358,486.20 and 157,772.76

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Solution

The fourth proportional to 259,800.50, 358,486.20 and 157,772.76 is: 217,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,800.50 : 358,486.20 = 157,772.76 : x
  2. Step 2: Convert to fraction form
    259,800.50/358,486.20 = 157,772.76/x
  3. Step 3: Cross multiply
    259,800.50x = 358,486.20 × 157,772.76
  4. Step 4: Simplify right side
    259,800.50x = 56,559,357,195.91
  5. Step 5: Solve for x
    x = 56,559,357,195.91/259,800.50
  6. Step 6: Final answer
    x = 217,703.04

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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.