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Finding the Fourth Proportional to 613,588.72, 846,549.48 and 358,759.48

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Solution

The fourth proportional to 613,588.72, 846,549.48 and 358,759.48 is: 494,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,588.72 : 846,549.48 = 358,759.48 : x
  2. Step 2: Convert to fraction form
    613,588.72/846,549.48 = 358,759.48/x
  3. Step 3: Cross multiply
    613,588.72x = 846,549.48 × 358,759.48
  4. Step 4: Simplify right side
    613,588.72x = 303,707,651,239.07
  5. Step 5: Solve for x
    x = 303,707,651,239.07/613,588.72
  6. Step 6: Final answer
    x = 494,969.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.