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Finding the Fourth Proportional to 357,653.20, 536,479.80 and 224,626.90

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Solution

The fourth proportional to 357,653.20, 536,479.80 and 224,626.90 is: 336,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,653.20 : 536,479.80 = 224,626.90 : x
  2. Step 2: Convert to fraction form
    357,653.20/536,479.80 = 224,626.90/x
  3. Step 3: Cross multiply
    357,653.20x = 536,479.80 × 224,626.90
  4. Step 4: Simplify right side
    357,653.20x = 120,507,794,386.62
  5. Step 5: Solve for x
    x = 120,507,794,386.62/357,653.20
  6. Step 6: Final answer
    x = 336,940.35

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Similar ratio
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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.