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Finding the Fourth Proportional to 671,385.35, 926,523.60 and 365,470.53

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Solution

The fourth proportional to 671,385.35, 926,523.60 and 365,470.53 is: 504,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,385.35 : 926,523.60 = 365,470.53 : x
  2. Step 2: Convert to fraction form
    671,385.35/926,523.60 = 365,470.53/x
  3. Step 3: Cross multiply
    671,385.35x = 926,523.60 × 365,470.53
  4. Step 4: Simplify right side
    671,385.35x = 338,617,071,149.51
  5. Step 5: Solve for x
    x = 338,617,071,149.51/671,385.35
  6. Step 6: Final answer
    x = 504,355.76

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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.