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Finding the Fourth Proportional to 529,018.59, 793,557.90 and 169,221.06

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Solution

The fourth proportional to 529,018.59, 793,557.90 and 169,221.06 is: 253,841.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,018.59 : 793,557.90 = 169,221.06 : x
  2. Step 2: Convert to fraction form
    529,018.59/793,557.90 = 169,221.06/x
  3. Step 3: Cross multiply
    529,018.59x = 793,557.90 × 169,221.06
  4. Step 4: Simplify right side
    529,018.59x = 134,286,709,009.37
  5. Step 5: Solve for x
    x = 134,286,709,009.37/529,018.59
  6. Step 6: Final answer
    x = 253,841.19

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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.