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Finding the Fourth Proportional to 529,367.92, 730,514.88 and 296,779.44

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Solution

The fourth proportional to 529,367.92, 730,514.88 and 296,779.44 is: 409,548.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,367.92 : 730,514.88 = 296,779.44 : x
  2. Step 2: Convert to fraction form
    529,367.92/730,514.88 = 296,779.44/x
  3. Step 3: Cross multiply
    529,367.92x = 730,514.88 × 296,779.44
  4. Step 4: Simplify right side
    529,367.92x = 216,801,796,998.07
  5. Step 5: Solve for x
    x = 216,801,796,998.07/529,367.92
  6. Step 6: Final answer
    x = 409,548.42

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1.5x scale

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.