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Finding the Fourth Proportional to 826,423.60, 1,237,302.60 and 803,095.60

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Solution

The fourth proportional to 826,423.60, 1,237,302.60 and 803,095.60 is: 1,202,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,423.60 : 1,237,302.60 = 803,095.60 : x
  2. Step 2: Convert to fraction form
    826,423.60/1,237,302.60 = 803,095.60/x
  3. Step 3: Cross multiply
    826,423.60x = 1,237,302.60 × 803,095.60
  4. Step 4: Simplify right side
    826,423.60x = 993,672,273,928.56
  5. Step 5: Solve for x
    x = 993,672,273,928.56/826,423.60
  6. Step 6: Final answer
    x = 1,202,376.45

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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.