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Finding the Fourth Proportional to 673,395.55, 929,305.64 and 367,491.69

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Solution

The fourth proportional to 673,395.55, 929,305.64 and 367,491.69 is: 507,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,395.55 : 929,305.64 = 367,491.69 : x
  2. Step 2: Convert to fraction form
    673,395.55/929,305.64 = 367,491.69/x
  3. Step 3: Cross multiply
    673,395.55x = 929,305.64 × 367,491.69
  4. Step 4: Simplify right side
    673,395.55x = 341,512,101,088.86
  5. Step 5: Solve for x
    x = 341,512,101,088.86/673,395.55
  6. Step 6: Final answer
    x = 507,149.33

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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.