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Finding the Fourth Proportional to 473,627.44, 653,571.75 and 258,721.89

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Solution

The fourth proportional to 473,627.44, 653,571.75 and 258,721.89 is: 357,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,627.44 : 653,571.75 = 258,721.89 : x
  2. Step 2: Convert to fraction form
    473,627.44/653,571.75 = 258,721.89/x
  3. Step 3: Cross multiply
    473,627.44x = 653,571.75 × 258,721.89
  4. Step 4: Simplify right side
    473,627.44x = 169,093,318,410.61
  5. Step 5: Solve for x
    x = 169,093,318,410.61/473,627.44
  6. Step 6: Final answer
    x = 357,017.57

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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.