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Finding the Fourth Proportional to 338,187.83, 507,041.47 and 169,586.53

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Solution

The fourth proportional to 338,187.83, 507,041.47 and 169,586.53 is: 254,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,187.83 : 507,041.47 = 169,586.53 : x
  2. Step 2: Convert to fraction form
    338,187.83/507,041.47 = 169,586.53/x
  3. Step 3: Cross multiply
    338,187.83x = 507,041.47 × 169,586.53
  4. Step 4: Simplify right side
    338,187.83x = 85,987,402,407.78
  5. Step 5: Solve for x
    x = 85,987,402,407.78/338,187.83
  6. Step 6: Final answer
    x = 254,259.31

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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.