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Finding the Fourth Proportional to 504,553,608.60, 756,830,412.90 and 368,504,712.60

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Solution

The fourth proportional to 504,553,608.60, 756,830,412.90 and 368,504,712.60 is: 552,757,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,553,608.60 : 756,830,412.90 = 368,504,712.60 : x
  2. Step 2: Convert to fraction form
    504,553,608.60/756,830,412.90 = 368,504,712.60/x
  3. Step 3: Cross multiply
    504,553,608.60x = 756,830,412.90 × 368,504,712.60
  4. Step 4: Simplify right side
    504,553,608.60x = 278,895,573,792,653,856
  5. Step 5: Solve for x
    x = 278,895,573,792,653,856/504,553,608.60
  6. Step 6: Final answer
    x = 552,757,068.90

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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.