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Finding the Fourth Proportional to 504,553,608.10, 756,830,412.15 and 368,504,712.10

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Solution

The fourth proportional to 504,553,608.10, 756,830,412.15 and 368,504,712.10 is: 552,757,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,553,608.10 : 756,830,412.15 = 368,504,712.10 : x
  2. Step 2: Convert to fraction form
    504,553,608.10/756,830,412.15 = 368,504,712.10/x
  3. Step 3: Cross multiply
    504,553,608.10x = 756,830,412.15 × 368,504,712.10
  4. Step 4: Simplify right side
    504,553,608.10x = 278,895,573,137,860,096
  5. Step 5: Solve for x
    x = 278,895,573,137,860,096/504,553,608.10
  6. Step 6: Final answer
    x = 552,757,068.15

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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.