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Finding the Fourth Proportional to 613,558.92, 846,746.16 and 368,618.60

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Solution

The fourth proportional to 613,558.92, 846,746.16 and 368,618.60 is: 508,714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,558.92 : 846,746.16 = 368,618.60 : x
  2. Step 2: Convert to fraction form
    613,558.92/846,746.16 = 368,618.60/x
  3. Step 3: Cross multiply
    613,558.92x = 846,746.16 × 368,618.60
  4. Step 4: Simplify right side
    613,558.92x = 312,126,384,054.58
  5. Step 5: Solve for x
    x = 312,126,384,054.58/613,558.92
  6. Step 6: Final answer
    x = 508,714.61

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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.