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Finding the Fourth Proportional to 316,360.49, 436,563.47 and 173,126.57

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Solution

The fourth proportional to 316,360.49, 436,563.47 and 173,126.57 is: 238,907.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,360.49 : 436,563.47 = 173,126.57 : x
  2. Step 2: Convert to fraction form
    316,360.49/436,563.47 = 173,126.57/x
  3. Step 3: Cross multiply
    316,360.49x = 436,563.47 × 173,126.57
  4. Step 4: Simplify right side
    316,360.49x = 75,580,734,398.40
  5. Step 5: Solve for x
    x = 75,580,734,398.40/316,360.49
  6. Step 6: Final answer
    x = 238,907.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.