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Finding the Fourth Proportional to 670,605.71, 925,442.44 and 364,688.66

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Solution

The fourth proportional to 670,605.71, 925,442.44 and 364,688.66 is: 503,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,605.71 : 925,442.44 = 364,688.66 : x
  2. Step 2: Convert to fraction form
    670,605.71/925,442.44 = 364,688.66/x
  3. Step 3: Cross multiply
    670,605.71x = 925,442.44 × 364,688.66
  4. Step 4: Simplify right side
    670,605.71x = 337,498,365,664.34
  5. Step 5: Solve for x
    x = 337,498,365,664.34/670,605.71
  6. Step 6: Final answer
    x = 503,273.92

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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.