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Finding the Fourth Proportional to 671,434.92, 926,580.16 and 365,513.52

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Solution

The fourth proportional to 671,434.92, 926,580.16 and 365,513.52 is: 504,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,434.92 : 926,580.16 = 365,513.52 : x
  2. Step 2: Convert to fraction form
    671,434.92/926,580.16 = 365,513.52/x
  3. Step 3: Cross multiply
    671,434.92x = 926,580.16 × 365,513.52
  4. Step 4: Simplify right side
    671,434.92x = 338,677,575,843.76
  5. Step 5: Solve for x
    x = 338,677,575,843.76/671,434.92
  6. Step 6: Final answer
    x = 504,408.64

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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.