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Finding the Fourth Proportional to 677,538.60, 1,015,651.80 and 606,679.80

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Solution

The fourth proportional to 677,538.60, 1,015,651.80 and 606,679.80 is: 909,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,538.60 : 1,015,651.80 = 606,679.80 : x
  2. Step 2: Convert to fraction form
    677,538.60/1,015,651.80 = 606,679.80/x
  3. Step 3: Cross multiply
    677,538.60x = 1,015,651.80 × 606,679.80
  4. Step 4: Simplify right side
    677,538.60x = 616,175,430,893.64
  5. Step 5: Solve for x
    x = 616,175,430,893.64/677,538.60
  6. Step 6: Final answer
    x = 909,432.22

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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.