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Finding the Fourth Proportional to 484,427.90, 726,555.45 and 306,616.70

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Solution

The fourth proportional to 484,427.90, 726,555.45 and 306,616.70 is: 459,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,427.90 : 726,555.45 = 306,616.70 : x
  2. Step 2: Convert to fraction form
    484,427.90/726,555.45 = 306,616.70/x
  3. Step 3: Cross multiply
    484,427.90x = 726,555.45 × 306,616.70
  4. Step 4: Simplify right side
    484,427.90x = 222,774,034,446.02
  5. Step 5: Solve for x
    x = 222,774,034,446.02/484,427.90
  6. Step 6: Final answer
    x = 459,870.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.