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Finding the Fourth Proportional to 613,756.05, 846,689.99 and 476,853.15

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Solution

The fourth proportional to 613,756.05, 846,689.99 and 476,853.15 is: 657,829.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,756.05 : 846,689.99 = 476,853.15 : x
  2. Step 2: Convert to fraction form
    613,756.05/846,689.99 = 476,853.15/x
  3. Step 3: Cross multiply
    613,756.05x = 846,689.99 × 476,853.15
  4. Step 4: Simplify right side
    613,756.05x = 403,746,783,245.62
  5. Step 5: Solve for x
    x = 403,746,783,245.62/613,756.05
  6. Step 6: Final answer
    x = 657,829.41

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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.