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Finding the Fourth Proportional to 489,134.80, 732,827.40 and 301,927.60

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Solution

The fourth proportional to 489,134.80, 732,827.40 and 301,927.60 is: 452,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,134.80 : 732,827.40 = 301,927.60 : x
  2. Step 2: Convert to fraction form
    489,134.80/732,827.40 = 301,927.60/x
  3. Step 3: Cross multiply
    489,134.80x = 732,827.40 × 301,927.60
  4. Step 4: Simplify right side
    489,134.80x = 221,260,818,096.24
  5. Step 5: Solve for x
    x = 221,260,818,096.24/489,134.80
  6. Step 6: Final answer
    x = 452,351.41

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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.