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Finding the Fourth Proportional to 452,661.16, 624,669.90 and 245,927.80

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Solution

The fourth proportional to 452,661.16, 624,669.90 and 245,927.80 is: 339,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,661.16 : 624,669.90 = 245,927.80 : x
  2. Step 2: Convert to fraction form
    452,661.16/624,669.90 = 245,927.80/x
  3. Step 3: Cross multiply
    452,661.16x = 624,669.90 × 245,927.80
  4. Step 4: Simplify right side
    452,661.16x = 153,623,694,233.22
  5. Step 5: Solve for x
    x = 153,623,694,233.22/452,661.16
  6. Step 6: Final answer
    x = 339,379.01

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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.