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Finding the Fourth Proportional to 700,901.55, 967,244.66 and 378,611.64

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Solution

The fourth proportional to 700,901.55, 967,244.66 and 378,611.64 is: 522,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,901.55 : 967,244.66 = 378,611.64 : x
  2. Step 2: Convert to fraction form
    700,901.55/967,244.66 = 378,611.64/x
  3. Step 3: Cross multiply
    700,901.55x = 967,244.66 × 378,611.64
  4. Step 4: Simplify right side
    700,901.55x = 366,210,085,110.78
  5. Step 5: Solve for x
    x = 366,210,085,110.78/700,901.55
  6. Step 6: Final answer
    x = 522,484.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.