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Finding the Fourth Proportional to 529,782.24, 794,672.40 and 372,712.80

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Solution

The fourth proportional to 529,782.24, 794,672.40 and 372,712.80 is: 559,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,782.24 : 794,672.40 = 372,712.80 : x
  2. Step 2: Convert to fraction form
    529,782.24/794,672.40 = 372,712.80/x
  3. Step 3: Cross multiply
    529,782.24x = 794,672.40 × 372,712.80
  4. Step 4: Simplify right side
    529,782.24x = 296,184,575,286.72
  5. Step 5: Solve for x
    x = 296,184,575,286.72/529,782.24
  6. Step 6: Final answer
    x = 559,068.52

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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.