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Finding the Fourth Proportional to 373,038.59, 559,696.43 and 259,126.38

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Solution

The fourth proportional to 373,038.59, 559,696.43 and 259,126.38 is: 388,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,038.59 : 559,696.43 = 259,126.38 : x
  2. Step 2: Convert to fraction form
    373,038.59/559,696.43 = 259,126.38/x
  3. Step 3: Cross multiply
    373,038.59x = 559,696.43 × 259,126.38
  4. Step 4: Simplify right side
    373,038.59x = 145,032,109,804.82
  5. Step 5: Solve for x
    x = 145,032,109,804.82/373,038.59
  6. Step 6: Final answer
    x = 388,785.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.