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Finding the Fourth Proportional to 610,261.47, 842,210.51 and 338,414.49

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Solution

The fourth proportional to 610,261.47, 842,210.51 and 338,414.49 is: 467,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,261.47 : 842,210.51 = 338,414.49 : x
  2. Step 2: Convert to fraction form
    610,261.47/842,210.51 = 338,414.49/x
  3. Step 3: Cross multiply
    610,261.47x = 842,210.51 × 338,414.49
  4. Step 4: Simplify right side
    610,261.47x = 285,016,238,522.22
  5. Step 5: Solve for x
    x = 285,016,238,522.22/610,261.47
  6. Step 6: Final answer
    x = 467,039.54

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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.