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Finding the Fourth Proportional to 610,753.17, 842,840.36 and 338,821.07

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Solution

The fourth proportional to 610,753.17, 842,840.36 and 338,821.07 is: 467,573.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,753.17 : 842,840.36 = 338,821.07 : x
  2. Step 2: Convert to fraction form
    610,753.17/842,840.36 = 338,821.07/x
  3. Step 3: Cross multiply
    610,753.17x = 842,840.36 × 338,821.07
  4. Step 4: Simplify right side
    610,753.17x = 285,572,075,568.54
  5. Step 5: Solve for x
    x = 285,572,075,568.54/610,753.17
  6. Step 6: Final answer
    x = 467,573.63

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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.