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Finding the Fourth Proportional to 717,594,811.20, 1,007,353,713.60 and 717,594,811.20

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Solution

The fourth proportional to 717,594,811.20, 1,007,353,713.60 and 717,594,811.20 is: 1,007,353,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,594,811.20 : 1,007,353,713.60 = 717,594,811.20 : x
  2. Step 2: Convert to fraction form
    717,594,811.20/1,007,353,713.60 = 717,594,811.20/x
  3. Step 3: Cross multiply
    717,594,811.20x = 1,007,353,713.60 × 717,594,811.20
  4. Step 4: Simplify right side
    717,594,811.20x = 722,871,797,922,410,880
  5. Step 5: Solve for x
    x = 722,871,797,922,410,880/717,594,811.20
  6. Step 6: Final answer
    x = 1,007,353,713.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.