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Finding the Fourth Proportional to 671,605.06, 926,831.59 and 365,698.20

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Solution

The fourth proportional to 671,605.06, 926,831.59 and 365,698.20 is: 504,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,605.06 : 926,831.59 = 365,698.20 : x
  2. Step 2: Convert to fraction form
    671,605.06/926,831.59 = 365,698.20/x
  3. Step 3: Cross multiply
    671,605.06x = 926,831.59 × 365,698.20
  4. Step 4: Simplify right side
    671,605.06x = 338,940,644,166.14
  5. Step 5: Solve for x
    x = 338,940,644,166.14/671,605.06
  6. Step 6: Final answer
    x = 504,672.56

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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.