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Finding the Fourth Proportional to 575,289.54, 793,900.44 and 320,635.26

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Solution

The fourth proportional to 575,289.54, 793,900.44 and 320,635.26 is: 442,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,289.54 : 793,900.44 = 320,635.26 : x
  2. Step 2: Convert to fraction form
    575,289.54/793,900.44 = 320,635.26/x
  3. Step 3: Cross multiply
    575,289.54x = 793,900.44 × 320,635.26
  4. Step 4: Simplify right side
    575,289.54x = 254,552,473,993.51
  5. Step 5: Solve for x
    x = 254,552,473,993.51/575,289.54
  6. Step 6: Final answer
    x = 442,477.15

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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.