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Finding the Fourth Proportional to 480,623,913.30, 674,404,028.70 and 480,623,913.30

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Solution

The fourth proportional to 480,623,913.30, 674,404,028.70 and 480,623,913.30 is: 674,404,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,623,913.30 : 674,404,028.70 = 480,623,913.30 : x
  2. Step 2: Convert to fraction form
    480,623,913.30/674,404,028.70 = 480,623,913.30/x
  3. Step 3: Cross multiply
    480,623,913.30x = 674,404,028.70 × 480,623,913.30
  4. Step 4: Simplify right side
    480,623,913.30x = 324,134,703,419,079,552
  5. Step 5: Solve for x
    x = 324,134,703,419,079,552/480,623,913.30
  6. Step 6: Final answer
    x = 674,404,028.70

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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.