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Finding the Fourth Proportional to 582,514.24, 803,455.57 and 388,824.30

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Solution

The fourth proportional to 582,514.24, 803,455.57 and 388,824.30 is: 536,301.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,514.24 : 803,455.57 = 388,824.30 : x
  2. Step 2: Convert to fraction form
    582,514.24/803,455.57 = 388,824.30/x
  3. Step 3: Cross multiply
    582,514.24x = 803,455.57 × 388,824.30
  4. Step 4: Simplify right side
    582,514.24x = 312,403,049,586.35
  5. Step 5: Solve for x
    x = 312,403,049,586.35/582,514.24
  6. Step 6: Final answer
    x = 536,301.14

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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.