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Finding the Fourth Proportional to 366,966.70, 550,450.05 and 314,478.70

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Solution

The fourth proportional to 366,966.70, 550,450.05 and 314,478.70 is: 471,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,966.70 : 550,450.05 = 314,478.70 : x
  2. Step 2: Convert to fraction form
    366,966.70/550,450.05 = 314,478.70/x
  3. Step 3: Cross multiply
    366,966.70x = 550,450.05 × 314,478.70
  4. Step 4: Simplify right side
    366,966.70x = 173,104,816,138.94
  5. Step 5: Solve for x
    x = 173,104,816,138.94/366,966.70
  6. Step 6: Final answer
    x = 471,718.05

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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.