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Finding the Fourth Proportional to 473,664.45, 653,661.53 and 258,804.49

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Solution

The fourth proportional to 473,664.45, 653,661.53 and 258,804.49 is: 357,152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,664.45 : 653,661.53 = 258,804.49 : x
  2. Step 2: Convert to fraction form
    473,664.45/653,661.53 = 258,804.49/x
  3. Step 3: Cross multiply
    473,664.45x = 653,661.53 × 258,804.49
  4. Step 4: Simplify right side
    473,664.45x = 169,170,541,102.48
  5. Step 5: Solve for x
    x = 169,170,541,102.48/473,664.45
  6. Step 6: Final answer
    x = 357,152.71

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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.