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Finding the Fourth Proportional to 289,123.40, 433,247.70 and 244,508.60

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Solution

The fourth proportional to 289,123.40, 433,247.70 and 244,508.60 is: 366,393.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,123.40 : 433,247.70 = 244,508.60 : x
  2. Step 2: Convert to fraction form
    289,123.40/433,247.70 = 244,508.60/x
  3. Step 3: Cross multiply
    289,123.40x = 433,247.70 × 244,508.60
  4. Step 4: Simplify right side
    289,123.40x = 105,932,788,580.22
  5. Step 5: Solve for x
    x = 105,932,788,580.22/289,123.40
  6. Step 6: Final answer
    x = 366,393.00

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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.