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Finding the Fourth Proportional to 673,827.69, 929,884.15 and 367,906.71

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Solution

The fourth proportional to 673,827.69, 929,884.15 and 367,906.71 is: 507,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,827.69 : 929,884.15 = 367,906.71 : x
  2. Step 2: Convert to fraction form
    673,827.69/929,884.15 = 367,906.71/x
  3. Step 3: Cross multiply
    673,827.69x = 929,884.15 × 367,906.71
  4. Step 4: Simplify right side
    673,827.69x = 342,110,617,024.00
  5. Step 5: Solve for x
    x = 342,110,617,024.00/673,827.69
  6. Step 6: Final answer
    x = 507,712.32

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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.