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Finding the Fourth Proportional to 673,070.25, 928,842.87 and 367,147.98

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Solution

The fourth proportional to 673,070.25, 928,842.87 and 367,147.98 is: 506,667.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,070.25 : 928,842.87 = 367,147.98 : x
  2. Step 2: Convert to fraction form
    673,070.25/928,842.87 = 367,147.98/x
  3. Step 3: Cross multiply
    673,070.25x = 928,842.87 × 367,147.98
  4. Step 4: Simplify right side
    673,070.25x = 341,022,783,457.90
  5. Step 5: Solve for x
    x = 341,022,783,457.90/673,070.25
  6. Step 6: Final answer
    x = 506,667.44

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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.