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Finding the Fourth Proportional to 494,801.10, 742,104.45 and 162,377.10

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Solution

The fourth proportional to 494,801.10, 742,104.45 and 162,377.10 is: 243,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,801.10 : 742,104.45 = 162,377.10 : x
  2. Step 2: Convert to fraction form
    494,801.10/742,104.45 = 162,377.10/x
  3. Step 3: Cross multiply
    494,801.10x = 742,104.45 × 162,377.10
  4. Step 4: Simplify right side
    494,801.10x = 120,500,768,488.10
  5. Step 5: Solve for x
    x = 120,500,768,488.10/494,801.10
  6. Step 6: Final answer
    x = 243,533.75

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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.