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Finding the Fourth Proportional to 404,724.70, 607,087.05 and 194,772.70

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Solution

The fourth proportional to 404,724.70, 607,087.05 and 194,772.70 is: 292,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,724.70 : 607,087.05 = 194,772.70 : x
  2. Step 2: Convert to fraction form
    404,724.70/607,087.05 = 194,772.70/x
  3. Step 3: Cross multiply
    404,724.70x = 607,087.05 × 194,772.70
  4. Step 4: Simplify right side
    404,724.70x = 118,243,983,863.54
  5. Step 5: Solve for x
    x = 118,243,983,863.54/404,724.70
  6. Step 6: Final answer
    x = 292,159.05

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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.