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Finding the Fourth Proportional to 606,957.60, 910,436.40 and 207,611.40

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Solution

The fourth proportional to 606,957.60, 910,436.40 and 207,611.40 is: 311,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,957.60 : 910,436.40 = 207,611.40 : x
  2. Step 2: Convert to fraction form
    606,957.60/910,436.40 = 207,611.40/x
  3. Step 3: Cross multiply
    606,957.60x = 910,436.40 × 207,611.40
  4. Step 4: Simplify right side
    606,957.60x = 189,016,975,614.96
  5. Step 5: Solve for x
    x = 189,016,975,614.96/606,957.60
  6. Step 6: Final answer
    x = 311,417.10

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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.