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Finding the Fourth Proportional to 535,514.32, 739,010.12 and 297,050.32

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Solution

The fourth proportional to 535,514.32, 739,010.12 and 297,050.32 is: 409,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,514.32 : 739,010.12 = 297,050.32 : x
  2. Step 2: Convert to fraction form
    535,514.32/739,010.12 = 297,050.32/x
  3. Step 3: Cross multiply
    535,514.32x = 739,010.12 × 297,050.32
  4. Step 4: Simplify right side
    535,514.32x = 219,523,192,629.24
  5. Step 5: Solve for x
    x = 219,523,192,629.24/535,514.32
  6. Step 6: Final answer
    x = 409,929.64

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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.