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Finding the Fourth Proportional to 997,922.80, 1,497,823.80 and 524,947.60

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Solution

The fourth proportional to 997,922.80, 1,497,823.80 and 524,947.60 is: 787,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,922.80 : 1,497,823.80 = 524,947.60 : x
  2. Step 2: Convert to fraction form
    997,922.80/1,497,823.80 = 524,947.60/x
  3. Step 3: Cross multiply
    997,922.80x = 1,497,823.80 × 524,947.60
  4. Step 4: Simplify right side
    997,922.80x = 786,279,009,032.88
  5. Step 5: Solve for x
    x = 786,279,009,032.88/997,922.80
  6. Step 6: Final answer
    x = 787,915.67

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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.