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Finding the Fourth Proportional to 671,877.40, 927,212.06 and 365,962.98

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Solution

The fourth proportional to 671,877.40, 927,212.06 and 365,962.98 is: 505,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,877.40 : 927,212.06 = 365,962.98 : x
  2. Step 2: Convert to fraction form
    671,877.40/927,212.06 = 365,962.98/x
  3. Step 3: Cross multiply
    671,877.40x = 927,212.06 × 365,962.98
  4. Step 4: Simplify right side
    671,877.40x = 339,325,288,569.54
  5. Step 5: Solve for x
    x = 339,325,288,569.54/671,877.40
  6. Step 6: Final answer
    x = 505,040.49

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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.