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Finding the Fourth Proportional to 575,654,612.54, 794,403,359.69 and 311,336,597.97

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Solution

The fourth proportional to 575,654,612.54, 794,403,359.69 and 311,336,597.97 is: 429,644,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,654,612.54 : 794,403,359.69 = 311,336,597.97 : x
  2. Step 2: Convert to fraction form
    575,654,612.54/794,403,359.69 = 311,336,597.97/x
  3. Step 3: Cross multiply
    575,654,612.54x = 794,403,359.69 × 311,336,597.97
  4. Step 4: Simplify right side
    575,654,612.54x = 247,326,839,420,266,144
  5. Step 5: Solve for x
    x = 247,326,839,420,266,144/575,654,612.54
  6. Step 6: Final answer
    x = 429,644,502.16

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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.