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Finding the Fourth Proportional to 501,753.04, 692,405.49 and 275,398.54

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Solution

The fourth proportional to 501,753.04, 692,405.49 and 275,398.54 is: 380,042.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,753.04 : 692,405.49 = 275,398.54 : x
  2. Step 2: Convert to fraction form
    501,753.04/692,405.49 = 275,398.54/x
  3. Step 3: Cross multiply
    501,753.04x = 692,405.49 × 275,398.54
  4. Step 4: Simplify right side
    501,753.04x = 190,687,461,033.99
  5. Step 5: Solve for x
    x = 190,687,461,033.99/501,753.04
  6. Step 6: Final answer
    x = 380,042.46

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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.