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Finding the Fourth Proportional to 493,324.74, 680,790.16 and 266,970.24

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Solution

The fourth proportional to 493,324.74, 680,790.16 and 266,970.24 is: 368,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,324.74 : 680,790.16 = 266,970.24 : x
  2. Step 2: Convert to fraction form
    493,324.74/680,790.16 = 266,970.24/x
  3. Step 3: Cross multiply
    493,324.74x = 680,790.16 × 266,970.24
  4. Step 4: Simplify right side
    493,324.74x = 181,750,711,069.99
  5. Step 5: Solve for x
    x = 181,750,711,069.99/493,324.74
  6. Step 6: Final answer
    x = 368,420.02

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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.