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Finding the Fourth Proportional to 507,051.09, 760,667.15 and 170,201.45

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Solution

The fourth proportional to 507,051.09, 760,667.15 and 170,201.45 is: 255,332.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,051.09 : 760,667.15 = 170,201.45 : x
  2. Step 2: Convert to fraction form
    507,051.09/760,667.15 = 170,201.45/x
  3. Step 3: Cross multiply
    507,051.09x = 760,667.15 × 170,201.45
  4. Step 4: Simplify right side
    507,051.09x = 129,466,654,224.54
  5. Step 5: Solve for x
    x = 129,466,654,224.54/507,051.09
  6. Step 6: Final answer
    x = 255,332.56

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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.