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Finding the Fourth Proportional to 248,936,330.60, 349,021,046.20 and 248,936,330.60

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Solution

The fourth proportional to 248,936,330.60, 349,021,046.20 and 248,936,330.60 is: 349,021,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,936,330.60 : 349,021,046.20 = 248,936,330.60 : x
  2. Step 2: Convert to fraction form
    248,936,330.60/349,021,046.20 = 248,936,330.60/x
  3. Step 3: Cross multiply
    248,936,330.60x = 349,021,046.20 × 248,936,330.60
  4. Step 4: Simplify right side
    248,936,330.60x = 86,884,018,543,201,072
  5. Step 5: Solve for x
    x = 86,884,018,543,201,072/248,936,330.60
  6. Step 6: Final answer
    x = 349,021,046.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.