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Finding the Fourth Proportional to 507,308.40, 760,995.44 and 170,335.44

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Solution

The fourth proportional to 507,308.40, 760,995.44 and 170,335.44 is: 255,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,308.40 : 760,995.44 = 170,335.44 : x
  2. Step 2: Convert to fraction form
    507,308.40/760,995.44 = 170,335.44/x
  3. Step 3: Cross multiply
    507,308.40x = 760,995.44 × 170,335.44
  4. Step 4: Simplify right side
    507,308.40x = 129,624,493,110.39
  5. Step 5: Solve for x
    x = 129,624,493,110.39/507,308.40
  6. Step 6: Final answer
    x = 255,514.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.