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Finding the Fourth Proportional to 477,432, 658,872.72 and 262,588.32

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Solution

The fourth proportional to 477,432, 658,872.72 and 262,588.32 is: 362,380.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,432 : 658,872.72 = 262,588.32 : x
  2. Step 2: Convert to fraction form
    477,432/658,872.72 = 262,588.32/x
  3. Step 3: Cross multiply
    477,432x = 658,872.72 × 262,588.32
  4. Step 4: Simplify right side
    477,432x = 173,012,280,638.63
  5. Step 5: Solve for x
    x = 173,012,280,638.63/477,432
  6. Step 6: Final answer
    x = 362,380.99

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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.