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Finding the Fourth Proportional to 655,617,397.33, 904,754,408.48 and 358,259,675.14

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Solution

The fourth proportional to 655,617,397.33, 904,754,408.48 and 358,259,675.14 is: 494,399,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,617,397.33 : 904,754,408.48 = 358,259,675.14 : x
  2. Step 2: Convert to fraction form
    655,617,397.33/904,754,408.48 = 358,259,675.14/x
  3. Step 3: Cross multiply
    655,617,397.33x = 904,754,408.48 × 358,259,675.14
  4. Step 4: Simplify right side
    655,617,397.33x = 324,137,020,463,527,680
  5. Step 5: Solve for x
    x = 324,137,020,463,527,680/655,617,397.33
  6. Step 6: Final answer
    x = 494,399,663.25

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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.