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Finding the Fourth Proportional to 574,491.81, 792,784.30 and 316,366.73

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Solution

The fourth proportional to 574,491.81, 792,784.30 and 316,366.73 is: 436,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,491.81 : 792,784.30 = 316,366.73 : x
  2. Step 2: Convert to fraction form
    574,491.81/792,784.30 = 316,366.73/x
  3. Step 3: Cross multiply
    574,491.81x = 792,784.30 × 316,366.73
  4. Step 4: Simplify right side
    574,491.81x = 250,810,576,586.34
  5. Step 5: Solve for x
    x = 250,810,576,586.34/574,491.81
  6. Step 6: Final answer
    x = 436,578.16

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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.