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Finding the Fourth Proportional to 501,906.18, 692,621.88 and 275,550.06

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Solution

The fourth proportional to 501,906.18, 692,621.88 and 275,550.06 is: 380,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,906.18 : 692,621.88 = 275,550.06 : x
  2. Step 2: Convert to fraction form
    501,906.18/692,621.88 = 275,550.06/x
  3. Step 3: Cross multiply
    501,906.18x = 692,621.88 × 275,550.06
  4. Step 4: Simplify right side
    501,906.18x = 190,852,000,591.31
  5. Step 5: Solve for x
    x = 190,852,000,591.31/501,906.18
  6. Step 6: Final answer
    x = 380,254.33

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1.5x scale

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.