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Finding the Fourth Proportional to 548,698.14, 757,232.88 and 306,966.30

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Solution

The fourth proportional to 548,698.14, 757,232.88 and 306,966.30 is: 423,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,698.14 : 757,232.88 = 306,966.30 : x
  2. Step 2: Convert to fraction form
    548,698.14/757,232.88 = 306,966.30/x
  3. Step 3: Cross multiply
    548,698.14x = 757,232.88 × 306,966.30
  4. Step 4: Simplify right side
    548,698.14x = 232,444,975,411.94
  5. Step 5: Solve for x
    x = 232,444,975,411.94/548,698.14
  6. Step 6: Final answer
    x = 423,629.97

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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.