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Finding the Fourth Proportional to 575,648.23, 794,407.27 and 317,533.02

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Solution

The fourth proportional to 575,648.23, 794,407.27 and 317,533.02 is: 438,202.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,648.23 : 794,407.27 = 317,533.02 : x
  2. Step 2: Convert to fraction form
    575,648.23/794,407.27 = 317,533.02/x
  3. Step 3: Cross multiply
    575,648.23x = 794,407.27 × 317,533.02
  4. Step 4: Simplify right side
    575,648.23x = 252,250,539,553.06
  5. Step 5: Solve for x
    x = 252,250,539,553.06/575,648.23
  6. Step 6: Final answer
    x = 438,202.58

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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.