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Finding the Fourth Proportional to 605,117.40, 907,676.10 and 416,160.60

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Solution

The fourth proportional to 605,117.40, 907,676.10 and 416,160.60 is: 624,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,117.40 : 907,676.10 = 416,160.60 : x
  2. Step 2: Convert to fraction form
    605,117.40/907,676.10 = 416,160.60/x
  3. Step 3: Cross multiply
    605,117.40x = 907,676.10 × 416,160.60
  4. Step 4: Simplify right side
    605,117.40x = 377,739,030,381.66
  5. Step 5: Solve for x
    x = 377,739,030,381.66/605,117.40
  6. Step 6: Final answer
    x = 624,240.90

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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.