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Finding the Fourth Proportional to 582,012.40, 873,674.70 and 449,480.20

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Solution

The fourth proportional to 582,012.40, 873,674.70 and 449,480.20 is: 674,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,012.40 : 873,674.70 = 449,480.20 : x
  2. Step 2: Convert to fraction form
    582,012.40/873,674.70 = 449,480.20/x
  3. Step 3: Cross multiply
    582,012.40x = 873,674.70 × 449,480.20
  4. Step 4: Simplify right side
    582,012.40x = 392,699,478,890.94
  5. Step 5: Solve for x
    x = 392,699,478,890.94/582,012.40
  6. Step 6: Final answer
    x = 674,727.00

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1.5x scale

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.