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Finding the Fourth Proportional to 314,259.48, 433,686.02 and 171,027.45

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Solution

The fourth proportional to 314,259.48, 433,686.02 and 171,027.45 is: 236,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,259.48 : 433,686.02 = 171,027.45 : x
  2. Step 2: Convert to fraction form
    314,259.48/433,686.02 = 171,027.45/x
  3. Step 3: Cross multiply
    314,259.48x = 433,686.02 × 171,027.45
  4. Step 4: Simplify right side
    314,259.48x = 74,172,213,246.11
  5. Step 5: Solve for x
    x = 74,172,213,246.11/314,259.48
  6. Step 6: Final answer
    x = 236,022.20

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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.