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Finding the Fourth Proportional to 528,969.27, 793,563.56 and 240,643.63

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Solution

The fourth proportional to 528,969.27, 793,563.56 and 240,643.63 is: 361,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,969.27 : 793,563.56 = 240,643.63 : x
  2. Step 2: Convert to fraction form
    528,969.27/793,563.56 = 240,643.63/x
  3. Step 3: Cross multiply
    528,969.27x = 793,563.56 × 240,643.63
  4. Step 4: Simplify right side
    528,969.27x = 190,966,015,714.12
  5. Step 5: Solve for x
    x = 190,966,015,714.12/528,969.27
  6. Step 6: Final answer
    x = 361,015.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.