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Finding the Fourth Proportional to 493,317.21, 680,775.24 and 266,962.71

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Solution

The fourth proportional to 493,317.21, 680,775.24 and 266,962.71 is: 368,407.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,317.21 : 680,775.24 = 266,962.71 : x
  2. Step 2: Convert to fraction form
    493,317.21/680,775.24 = 266,962.71/x
  3. Step 3: Cross multiply
    493,317.21x = 680,775.24 × 266,962.71
  4. Step 4: Simplify right side
    493,317.21x = 181,741,602,971.30
  5. Step 5: Solve for x
    x = 181,741,602,971.30/493,317.21
  6. Step 6: Final answer
    x = 368,407.18

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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.