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Finding the Fourth Proportional to 575,085.43, 862,783.44 and 175,715.29

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Solution

The fourth proportional to 575,085.43, 862,783.44 and 175,715.29 is: 263,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,085.43 : 862,783.44 = 175,715.29 : x
  2. Step 2: Convert to fraction form
    575,085.43/862,783.44 = 175,715.29/x
  3. Step 3: Cross multiply
    575,085.43x = 862,783.44 × 175,715.29
  4. Step 4: Simplify right side
    575,085.43x = 151,604,242,366.80
  5. Step 5: Solve for x
    x = 151,604,242,366.80/575,085.43
  6. Step 6: Final answer
    x = 263,620.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.