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Finding the Fourth Proportional to 450,959.82, 622,436.85 and 260,088.18

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Solution

The fourth proportional to 450,959.82, 622,436.85 and 260,088.18 is: 358,986.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,959.82 : 622,436.85 = 260,088.18 : x
  2. Step 2: Convert to fraction form
    450,959.82/622,436.85 = 260,088.18/x
  3. Step 3: Cross multiply
    450,959.82x = 622,436.85 × 260,088.18
  4. Step 4: Simplify right side
    450,959.82x = 161,888,467,481.43
  5. Step 5: Solve for x
    x = 161,888,467,481.43/450,959.82
  6. Step 6: Final answer
    x = 358,986.46

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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.