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Finding the Fourth Proportional to 671,901,644.64, 927,224,262 and 362,852,300.64

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Solution

The fourth proportional to 671,901,644.64, 927,224,262 and 362,852,300.64 is: 500,736,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,901,644.64 : 927,224,262 = 362,852,300.64 : x
  2. Step 2: Convert to fraction form
    671,901,644.64/927,224,262 = 362,852,300.64/x
  3. Step 3: Cross multiply
    671,901,644.64x = 927,224,262 × 362,852,300.64
  4. Step 4: Simplify right side
    671,901,644.64x = 336,445,456,675,926,144
  5. Step 5: Solve for x
    x = 336,445,456,675,926,144/671,901,644.64
  6. Step 6: Final answer
    x = 500,736,170.78

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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.