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Finding the Fourth Proportional to 671,603.06, 926,828.83 and 365,696.20

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Solution

The fourth proportional to 671,603.06, 926,828.83 and 365,696.20 is: 504,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,603.06 : 926,828.83 = 365,696.20 : x
  2. Step 2: Convert to fraction form
    671,603.06/926,828.83 = 365,696.20/x
  3. Step 3: Cross multiply
    671,603.06x = 926,828.83 × 365,696.20
  4. Step 4: Simplify right side
    671,603.06x = 338,937,782,797.10
  5. Step 5: Solve for x
    x = 338,937,782,797.10/671,603.06
  6. Step 6: Final answer
    x = 504,669.80

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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.