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Finding the Fourth Proportional to 613,340.27, 846,400.51 and 341,407.77

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Solution

The fourth proportional to 613,340.27, 846,400.51 and 341,407.77 is: 471,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,340.27 : 846,400.51 = 341,407.77 : x
  2. Step 2: Convert to fraction form
    613,340.27/846,400.51 = 341,407.77/x
  3. Step 3: Cross multiply
    613,340.27x = 846,400.51 × 341,407.77
  4. Step 4: Simplify right side
    613,340.27x = 288,967,710,645.96
  5. Step 5: Solve for x
    x = 288,967,710,645.96/613,340.27
  6. Step 6: Final answer
    x = 471,137.68

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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.