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Finding the Fourth Proportional to 518,901.83, 716,053.63 and 301,093.64

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Solution

The fourth proportional to 518,901.83, 716,053.63 and 301,093.64 is: 415,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,901.83 : 716,053.63 = 301,093.64 : x
  2. Step 2: Convert to fraction form
    518,901.83/716,053.63 = 301,093.64/x
  3. Step 3: Cross multiply
    518,901.83x = 716,053.63 × 301,093.64
  4. Step 4: Simplify right side
    518,901.83x = 215,599,193,891.91
  5. Step 5: Solve for x
    x = 215,599,193,891.91/518,901.83
  6. Step 6: Final answer
    x = 415,491.30

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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.