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Finding the Fourth Proportional to 624,498.15, 937,120.95 and 573,679.11

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Solution

The fourth proportional to 624,498.15, 937,120.95 and 573,679.11 is: 860,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,498.15 : 937,120.95 = 573,679.11 : x
  2. Step 2: Convert to fraction form
    624,498.15/937,120.95 = 573,679.11/x
  3. Step 3: Cross multiply
    624,498.15x = 937,120.95 × 573,679.11
  4. Step 4: Simplify right side
    624,498.15x = 537,606,709,689.96
  5. Step 5: Solve for x
    x = 537,606,709,689.96/624,498.15
  6. Step 6: Final answer
    x = 860,861.97

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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.