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Finding the Fourth Proportional to 563,387.60, 845,136.60 and 164,032.40

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Solution

The fourth proportional to 563,387.60, 845,136.60 and 164,032.40 is: 246,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,387.60 : 845,136.60 = 164,032.40 : x
  2. Step 2: Convert to fraction form
    563,387.60/845,136.60 = 164,032.40/x
  3. Step 3: Cross multiply
    563,387.60x = 845,136.60 × 164,032.40
  4. Step 4: Simplify right side
    563,387.60x = 138,629,784,825.84
  5. Step 5: Solve for x
    x = 138,629,784,825.84/563,387.60
  6. Step 6: Final answer
    x = 246,064.67

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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.