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Finding the Fourth Proportional to 575,441.69, 794,092.14 and 317,318.49

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Solution

The fourth proportional to 575,441.69, 794,092.14 and 317,318.49 is: 437,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,441.69 : 794,092.14 = 317,318.49 : x
  2. Step 2: Convert to fraction form
    575,441.69/794,092.14 = 317,318.49/x
  3. Step 3: Cross multiply
    575,441.69x = 794,092.14 × 317,318.49
  4. Step 4: Simplify right side
    575,441.69x = 251,980,118,785.67
  5. Step 5: Solve for x
    x = 251,980,118,785.67/575,441.69
  6. Step 6: Final answer
    x = 437,889.93

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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.