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Finding the Fourth Proportional to 658,280.79, 986,830.02 and 237,458.25

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Solution

The fourth proportional to 658,280.79, 986,830.02 and 237,458.25 is: 355,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,280.79 : 986,830.02 = 237,458.25 : x
  2. Step 2: Convert to fraction form
    658,280.79/986,830.02 = 237,458.25/x
  3. Step 3: Cross multiply
    658,280.79x = 986,830.02 × 237,458.25
  4. Step 4: Simplify right side
    658,280.79x = 234,330,929,596.67
  5. Step 5: Solve for x
    x = 234,330,929,596.67/658,280.79
  6. Step 6: Final answer
    x = 355,974.13

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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.