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Finding the Fourth Proportional to 637,889.12, 956,835.03 and 598,916.78

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Solution

The fourth proportional to 637,889.12, 956,835.03 and 598,916.78 is: 898,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,889.12 : 956,835.03 = 598,916.78 : x
  2. Step 2: Convert to fraction form
    637,889.12/956,835.03 = 598,916.78/x
  3. Step 3: Cross multiply
    637,889.12x = 956,835.03 × 598,916.78
  4. Step 4: Simplify right side
    637,889.12x = 573,064,555,158.80
  5. Step 5: Solve for x
    x = 573,064,555,158.80/637,889.12
  6. Step 6: Final answer
    x = 898,376.44

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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.