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Finding the Fourth Proportional to 467,678,404.40, 655,824,720.40 and 467,678,404.40

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Solution

The fourth proportional to 467,678,404.40, 655,824,720.40 and 467,678,404.40 is: 655,824,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,678,404.40 : 655,824,720.40 = 467,678,404.40 : x
  2. Step 2: Convert to fraction form
    467,678,404.40/655,824,720.40 = 467,678,404.40/x
  3. Step 3: Cross multiply
    467,678,404.40x = 655,824,720.40 × 467,678,404.40
  4. Step 4: Simplify right side
    467,678,404.40x = 306,715,058,802,748,096
  5. Step 5: Solve for x
    x = 306,715,058,802,748,096/467,678,404.40
  6. Step 6: Final answer
    x = 655,824,720.40

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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.