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Finding the Fourth Proportional to 434,806.52, 651,999.18 and 254,941.16

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Solution

The fourth proportional to 434,806.52, 651,999.18 and 254,941.16 is: 382,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,806.52 : 651,999.18 = 254,941.16 : x
  2. Step 2: Convert to fraction form
    434,806.52/651,999.18 = 254,941.16/x
  3. Step 3: Cross multiply
    434,806.52x = 651,999.18 × 254,941.16
  4. Step 4: Simplify right side
    434,806.52x = 166,221,427,268.25
  5. Step 5: Solve for x
    x = 166,221,427,268.25/434,806.52
  6. Step 6: Final answer
    x = 382,288.26

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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.