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Finding the Fourth Proportional to 673,432.85, 929,342.77 and 367,511.65

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Solution

The fourth proportional to 673,432.85, 929,342.77 and 367,511.65 is: 507,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,432.85 : 929,342.77 = 367,511.65 : x
  2. Step 2: Convert to fraction form
    673,432.85/929,342.77 = 367,511.65/x
  3. Step 3: Cross multiply
    673,432.85x = 929,342.77 × 367,511.65
  4. Step 4: Simplify right side
    673,432.85x = 341,544,291,576.13
  5. Step 5: Solve for x
    x = 341,544,291,576.13/673,432.85
  6. Step 6: Final answer
    x = 507,169.04

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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.