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Finding the Fourth Proportional to 671,798.41, 927,091.78 and 365,888.95

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Solution

The fourth proportional to 671,798.41, 927,091.78 and 365,888.95 is: 504,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,798.41 : 927,091.78 = 365,888.95 : x
  2. Step 2: Convert to fraction form
    671,798.41/927,091.78 = 365,888.95/x
  3. Step 3: Cross multiply
    671,798.41x = 927,091.78 × 365,888.95
  4. Step 4: Simplify right side
    671,798.41x = 339,212,634,705.38
  5. Step 5: Solve for x
    x = 339,212,634,705.38/671,798.41
  6. Step 6: Final answer
    x = 504,932.18

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1.5x scale

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.