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Finding the Fourth Proportional to 427,675.61, 590,339.86 and 246,459.75

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Solution

The fourth proportional to 427,675.61, 590,339.86 and 246,459.75 is: 340,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,675.61 : 590,339.86 = 246,459.75 : x
  2. Step 2: Convert to fraction form
    427,675.61/590,339.86 = 246,459.75/x
  3. Step 3: Cross multiply
    427,675.61x = 590,339.86 × 246,459.75
  4. Step 4: Simplify right side
    427,675.61x = 145,495,013,694.49
  5. Step 5: Solve for x
    x = 145,495,013,694.49/427,675.61
  6. Step 6: Final answer
    x = 340,199.47

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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.