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Finding the Fourth Proportional to 671,787.89, 927,068.30 and 365,865.60

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Solution

The fourth proportional to 671,787.89, 927,068.30 and 365,865.60 is: 504,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,787.89 : 927,068.30 = 365,865.60 : x
  2. Step 2: Convert to fraction form
    671,787.89/927,068.30 = 365,865.60/x
  3. Step 3: Cross multiply
    671,787.89x = 927,068.30 × 365,865.60
  4. Step 4: Simplify right side
    671,787.89x = 339,182,399,820.48
  5. Step 5: Solve for x
    x = 339,182,399,820.48/671,787.89
  6. Step 6: Final answer
    x = 504,895.08

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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.