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Finding the Fourth Proportional to 751,535, 1,037,118.36 and 412,005.68

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Solution

The fourth proportional to 751,535, 1,037,118.36 and 412,005.68 is: 568,567.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,535 : 1,037,118.36 = 412,005.68 : x
  2. Step 2: Convert to fraction form
    751,535/1,037,118.36 = 412,005.68/x
  3. Step 3: Cross multiply
    751,535x = 1,037,118.36 × 412,005.68
  4. Step 4: Simplify right side
    751,535x = 427,298,655,152.29
  5. Step 5: Solve for x
    x = 427,298,655,152.29/751,535
  6. Step 6: Final answer
    x = 568,567.87

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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.