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Finding the Fourth Proportional to 575,218.96, 793,804.66 and 317,090.36

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Solution

The fourth proportional to 575,218.96, 793,804.66 and 317,090.36 is: 437,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,218.96 : 793,804.66 = 317,090.36 : x
  2. Step 2: Convert to fraction form
    575,218.96/793,804.66 = 317,090.36/x
  3. Step 3: Cross multiply
    575,218.96x = 793,804.66 × 317,090.36
  4. Step 4: Simplify right side
    575,218.96x = 251,707,806,600.86
  5. Step 5: Solve for x
    x = 251,707,806,600.86/575,218.96
  6. Step 6: Final answer
    x = 437,586.08

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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.