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Finding the Fourth Proportional to 517,294,218.33, 714,799,815.21 and 368,356,767.49

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Solution

The fourth proportional to 517,294,218.33, 714,799,815.21 and 368,356,767.49 is: 508,997,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,294,218.33 : 714,799,815.21 = 368,356,767.49 : x
  2. Step 2: Convert to fraction form
    517,294,218.33/714,799,815.21 = 368,356,767.49/x
  3. Step 3: Cross multiply
    517,294,218.33x = 714,799,815.21 × 368,356,767.49
  4. Step 4: Simplify right side
    517,294,218.33x = 263,301,349,333,204,960
  5. Step 5: Solve for x
    x = 263,301,349,333,204,960/517,294,218.33
  6. Step 6: Final answer
    x = 508,997,278.54

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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.