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Finding the Fourth Proportional to 606,975.60, 910,463.40 and 207,629.40

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Solution

The fourth proportional to 606,975.60, 910,463.40 and 207,629.40 is: 311,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,975.60 : 910,463.40 = 207,629.40 : x
  2. Step 2: Convert to fraction form
    606,975.60/910,463.40 = 207,629.40/x
  3. Step 3: Cross multiply
    606,975.60x = 910,463.40 × 207,629.40
  4. Step 4: Simplify right side
    606,975.60x = 189,038,969,463.96
  5. Step 5: Solve for x
    x = 189,038,969,463.96/606,975.60
  6. Step 6: Final answer
    x = 311,444.10

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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.