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Finding the Fourth Proportional to 605,261.12, 906,710.56 and 471,515.13

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Solution

The fourth proportional to 605,261.12, 906,710.56 and 471,515.13 is: 706,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,261.12 : 906,710.56 = 471,515.13 : x
  2. Step 2: Convert to fraction form
    605,261.12/906,710.56 = 471,515.13/x
  3. Step 3: Cross multiply
    605,261.12x = 906,710.56 × 471,515.13
  4. Step 4: Simplify right side
    605,261.12x = 427,527,746,391.99
  5. Step 5: Solve for x
    x = 427,527,746,391.99/605,261.12
  6. Step 6: Final answer
    x = 706,352.57

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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.