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Finding the Fourth Proportional to 575,705.48, 795,093.18 and 438,273.32

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Solution

The fourth proportional to 575,705.48, 795,093.18 and 438,273.32 is: 605,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,705.48 : 795,093.18 = 438,273.32 : x
  2. Step 2: Convert to fraction form
    575,705.48/795,093.18 = 438,273.32/x
  3. Step 3: Cross multiply
    575,705.48x = 795,093.18 × 438,273.32
  4. Step 4: Simplify right side
    575,705.48x = 348,468,127,707.96
  5. Step 5: Solve for x
    x = 348,468,127,707.96/575,705.48
  6. Step 6: Final answer
    x = 605,288.88

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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.