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Finding the Fourth Proportional to 605,625.80, 908,438.70 and 601,478.60

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Solution

The fourth proportional to 605,625.80, 908,438.70 and 601,478.60 is: 902,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,625.80 : 908,438.70 = 601,478.60 : x
  2. Step 2: Convert to fraction form
    605,625.80/908,438.70 = 601,478.60/x
  3. Step 3: Cross multiply
    605,625.80x = 908,438.70 × 601,478.60
  4. Step 4: Simplify right side
    605,625.80x = 546,406,437,461.82
  5. Step 5: Solve for x
    x = 546,406,437,461.82/605,625.80
  6. Step 6: Final answer
    x = 902,217.90

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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.