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Finding the Fourth Proportional to 529,813.81, 794,748.21 and 174,855.51

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Solution

The fourth proportional to 529,813.81, 794,748.21 and 174,855.51 is: 262,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,813.81 : 794,748.21 = 174,855.51 : x
  2. Step 2: Convert to fraction form
    529,813.81/794,748.21 = 174,855.51/x
  3. Step 3: Cross multiply
    529,813.81x = 794,748.21 × 174,855.51
  4. Step 4: Simplify right side
    529,813.81x = 138,966,102,925.43
  5. Step 5: Solve for x
    x = 138,966,102,925.43/529,813.81
  6. Step 6: Final answer
    x = 262,292.34

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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.