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Finding the Fourth Proportional to 624,497.90, 937,120.57 and 573,678.85

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Solution

The fourth proportional to 624,497.90, 937,120.57 and 573,678.85 is: 860,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,497.90 : 937,120.57 = 573,678.85 : x
  2. Step 2: Convert to fraction form
    624,497.90/937,120.57 = 573,678.85/x
  3. Step 3: Cross multiply
    624,497.90x = 937,120.57 × 573,678.85
  4. Step 4: Simplify right side
    624,497.90x = 537,606,250,908.94
  5. Step 5: Solve for x
    x = 537,606,250,908.94/624,497.90
  6. Step 6: Final answer
    x = 860,861.58

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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.