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Finding the Fourth Proportional to 582,543.04, 803,858.12 and 324,400.48

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Solution

The fourth proportional to 582,543.04, 803,858.12 and 324,400.48 is: 447,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,543.04 : 803,858.12 = 324,400.48 : x
  2. Step 2: Convert to fraction form
    582,543.04/803,858.12 = 324,400.48/x
  3. Step 3: Cross multiply
    582,543.04x = 803,858.12 × 324,400.48
  4. Step 4: Simplify right side
    582,543.04x = 260,771,959,979.90
  5. Step 5: Solve for x
    x = 260,771,959,979.90/582,543.04
  6. Step 6: Final answer
    x = 447,644.11

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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.