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Finding the Fourth Proportional to 501,787.10, 692,440.78 and 297,846.92

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Solution

The fourth proportional to 501,787.10, 692,440.78 and 297,846.92 is: 411,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,787.10 : 692,440.78 = 297,846.92 : x
  2. Step 2: Convert to fraction form
    501,787.10/692,440.78 = 297,846.92/x
  3. Step 3: Cross multiply
    501,787.10x = 692,440.78 × 297,846.92
  4. Step 4: Simplify right side
    501,787.10x = 206,241,353,605.40
  5. Step 5: Solve for x
    x = 206,241,353,605.40/501,787.10
  6. Step 6: Final answer
    x = 411,013.66

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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.