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Finding the Fourth Proportional to 450,262.87, 621,357.92 and 246,317.83

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Solution

The fourth proportional to 450,262.87, 621,357.92 and 246,317.83 is: 339,915.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,262.87 : 621,357.92 = 246,317.83 : x
  2. Step 2: Convert to fraction form
    450,262.87/621,357.92 = 246,317.83/x
  3. Step 3: Cross multiply
    450,262.87x = 621,357.92 × 246,317.83
  4. Step 4: Simplify right side
    450,262.87x = 153,051,532,646.42
  5. Step 5: Solve for x
    x = 153,051,532,646.42/450,262.87
  6. Step 6: Final answer
    x = 339,915.96

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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.