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Finding the Fourth Proportional to 444,362.54, 612,582.38 and 316,816.70

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Solution

The fourth proportional to 444,362.54, 612,582.38 and 316,816.70 is: 436,752.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,362.54 : 612,582.38 = 316,816.70 : x
  2. Step 2: Convert to fraction form
    444,362.54/612,582.38 = 316,816.70/x
  3. Step 3: Cross multiply
    444,362.54x = 612,582.38 × 316,816.70
  4. Step 4: Simplify right side
    444,362.54x = 194,076,328,109.75
  5. Step 5: Solve for x
    x = 194,076,328,109.75/444,362.54
  6. Step 6: Final answer
    x = 436,752.23

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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.