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Finding the Fourth Proportional to 523,012.48, 784,357.44 and 273,558.40

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Solution

The fourth proportional to 523,012.48, 784,357.44 and 273,558.40 is: 410,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,012.48 : 784,357.44 = 273,558.40 : x
  2. Step 2: Convert to fraction form
    523,012.48/784,357.44 = 273,558.40/x
  3. Step 3: Cross multiply
    523,012.48x = 784,357.44 × 273,558.40
  4. Step 4: Simplify right side
    523,012.48x = 214,567,566,314.50
  5. Step 5: Solve for x
    x = 214,567,566,314.50/523,012.48
  6. Step 6: Final answer
    x = 410,253.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.