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Finding the Fourth Proportional to 508,009.62, 761,480.94 and 170,933.25

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Solution

The fourth proportional to 508,009.62, 761,480.94 and 170,933.25 is: 256,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,009.62 : 761,480.94 = 170,933.25 : x
  2. Step 2: Convert to fraction form
    508,009.62/761,480.94 = 170,933.25/x
  3. Step 3: Cross multiply
    508,009.62x = 761,480.94 × 170,933.25
  4. Step 4: Simplify right side
    508,009.62x = 130,162,411,887.26
  5. Step 5: Solve for x
    x = 130,162,411,887.26/508,009.62
  6. Step 6: Final answer
    x = 256,220.37

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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.