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Finding the Fourth Proportional to 607,522.20, 911,939.40 and 341,801.70

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Solution

The fourth proportional to 607,522.20, 911,939.40 and 341,801.70 is: 513,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,522.20 : 911,939.40 = 341,801.70 : x
  2. Step 2: Convert to fraction form
    607,522.20/911,939.40 = 341,801.70/x
  3. Step 3: Cross multiply
    607,522.20x = 911,939.40 × 341,801.70
  4. Step 4: Simplify right side
    607,522.20x = 311,702,437,216.98
  5. Step 5: Solve for x
    x = 311,702,437,216.98/607,522.20
  6. Step 6: Final answer
    x = 513,071.68

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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.