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Finding the Fourth Proportional to 437,592.60, 655,076.70 and 411,640.20

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Solution

The fourth proportional to 437,592.60, 655,076.70 and 411,640.20 is: 616,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,592.60 : 655,076.70 = 411,640.20 : x
  2. Step 2: Convert to fraction form
    437,592.60/655,076.70 = 411,640.20/x
  3. Step 3: Cross multiply
    437,592.60x = 655,076.70 × 411,640.20
  4. Step 4: Simplify right side
    437,592.60x = 269,655,903,803.34
  5. Step 5: Solve for x
    x = 269,655,903,803.34/437,592.60
  6. Step 6: Final answer
    x = 616,225.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.