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Finding the Fourth Proportional to 670,401.92, 925,164.77 and 364,477.59

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Solution

The fourth proportional to 670,401.92, 925,164.77 and 364,477.59 is: 502,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,401.92 : 925,164.77 = 364,477.59 : x
  2. Step 2: Convert to fraction form
    670,401.92/925,164.77 = 364,477.59/x
  3. Step 3: Cross multiply
    670,401.92x = 925,164.77 × 364,477.59
  4. Step 4: Simplify right side
    670,401.92x = 337,201,823,900.12
  5. Step 5: Solve for x
    x = 337,201,823,900.12/670,401.92
  6. Step 6: Final answer
    x = 502,984.57

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Double scale
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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.