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Finding the Fourth Proportional to 671,050.38, 926,021.76 and 365,128.02

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Solution

The fourth proportional to 671,050.38, 926,021.76 and 365,128.02 is: 503,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,050.38 : 926,021.76 = 365,128.02 : x
  2. Step 2: Convert to fraction form
    671,050.38/926,021.76 = 365,128.02/x
  3. Step 3: Cross multiply
    671,050.38x = 926,021.76 × 365,128.02
  4. Step 4: Simplify right side
    671,050.38x = 338,116,491,705.72
  5. Step 5: Solve for x
    x = 338,116,491,705.72/671,050.38
  6. Step 6: Final answer
    x = 503,861.56

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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.