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Finding the Fourth Proportional to 725,794,703.40, 1,087,180,400.70 and 725,794,703.40

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Solution

The fourth proportional to 725,794,703.40, 1,087,180,400.70 and 725,794,703.40 is: 1,087,180,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,794,703.40 : 1,087,180,400.70 = 725,794,703.40 : x
  2. Step 2: Convert to fraction form
    725,794,703.40/1,087,180,400.70 = 725,794,703.40/x
  3. Step 3: Cross multiply
    725,794,703.40x = 1,087,180,400.70 × 725,794,703.40
  4. Step 4: Simplify right side
    725,794,703.40x = 789,069,776,468,349,696
  5. Step 5: Solve for x
    x = 789,069,776,468,349,696/725,794,703.40
  6. Step 6: Final answer
    x = 1,087,180,400.70

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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.