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Finding the Fourth Proportional to 605,725.70, 908,588.55 and 416,768.90

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Solution

The fourth proportional to 605,725.70, 908,588.55 and 416,768.90 is: 625,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,725.70 : 908,588.55 = 416,768.90 : x
  2. Step 2: Convert to fraction form
    605,725.70/908,588.55 = 416,768.90/x
  3. Step 3: Cross multiply
    605,725.70x = 908,588.55 × 416,768.90
  4. Step 4: Simplify right side
    605,725.70x = 378,671,450,536.10
  5. Step 5: Solve for x
    x = 378,671,450,536.10/605,725.70
  6. Step 6: Final answer
    x = 625,153.35

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Similar ratio
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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.