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Finding the Fourth Proportional to 656,396.32, 984,594.60 and 207,152.14

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Solution

The fourth proportional to 656,396.32, 984,594.60 and 207,152.14 is: 310,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,396.32 : 984,594.60 = 207,152.14 : x
  2. Step 2: Convert to fraction form
    656,396.32/984,594.60 = 207,152.14/x
  3. Step 3: Cross multiply
    656,396.32x = 984,594.60 × 207,152.14
  4. Step 4: Simplify right side
    656,396.32x = 203,960,878,422.44
  5. Step 5: Solve for x
    x = 203,960,878,422.44/656,396.32
  6. Step 6: Final answer
    x = 310,728.25

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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.