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Finding the Fourth Proportional to 624,498.65, 937,121.70 and 573,679.61

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Solution

The fourth proportional to 624,498.65, 937,121.70 and 573,679.61 is: 860,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,498.65 : 937,121.70 = 573,679.61 : x
  2. Step 2: Convert to fraction form
    624,498.65/937,121.70 = 573,679.61/x
  3. Step 3: Cross multiply
    624,498.65x = 937,121.70 × 573,679.61
  4. Step 4: Simplify right side
    624,498.65x = 537,607,608,510.14
  5. Step 5: Solve for x
    x = 537,607,608,510.14/624,498.65
  6. Step 6: Final answer
    x = 860,862.72

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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.