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Finding the Fourth Proportional to 582,457.76, 873,373.44 and 342,654.56

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Solution

The fourth proportional to 582,457.76, 873,373.44 and 342,654.56 is: 513,797.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,457.76 : 873,373.44 = 342,654.56 : x
  2. Step 2: Convert to fraction form
    582,457.76/873,373.44 = 342,654.56/x
  3. Step 3: Cross multiply
    582,457.76x = 873,373.44 × 342,654.56
  4. Step 4: Simplify right side
    582,457.76x = 299,265,391,798.89
  5. Step 5: Solve for x
    x = 299,265,391,798.89/582,457.76
  6. Step 6: Final answer
    x = 513,797.59

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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.