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Finding the Fourth Proportional to 366,928.70, 550,393.05 and 314,440.70

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Solution

The fourth proportional to 366,928.70, 550,393.05 and 314,440.70 is: 471,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,928.70 : 550,393.05 = 314,440.70 : x
  2. Step 2: Convert to fraction form
    366,928.70/550,393.05 = 314,440.70/x
  3. Step 3: Cross multiply
    366,928.70x = 550,393.05 × 314,440.70
  4. Step 4: Simplify right side
    366,928.70x = 173,065,975,917.14
  5. Step 5: Solve for x
    x = 173,065,975,917.14/366,928.70
  6. Step 6: Final answer
    x = 471,661.05

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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.