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Finding the Fourth Proportional to 605,601.10, 908,401.65 and 446,970.70

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Solution

The fourth proportional to 605,601.10, 908,401.65 and 446,970.70 is: 670,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,601.10 : 908,401.65 = 446,970.70 : x
  2. Step 2: Convert to fraction form
    605,601.10/908,401.65 = 446,970.70/x
  3. Step 3: Cross multiply
    605,601.10x = 908,401.65 × 446,970.70
  4. Step 4: Simplify right side
    605,601.10x = 406,028,921,381.66
  5. Step 5: Solve for x
    x = 406,028,921,381.66/605,601.10
  6. Step 6: Final answer
    x = 670,456.05

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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.