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Finding the Fourth Proportional to 544,043.16, 816,063.12 and 144,683.60

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Solution

The fourth proportional to 544,043.16, 816,063.12 and 144,683.60 is: 217,024.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,043.16 : 816,063.12 = 144,683.60 : x
  2. Step 2: Convert to fraction form
    544,043.16/816,063.12 = 144,683.60/x
  3. Step 3: Cross multiply
    544,043.16x = 816,063.12 × 144,683.60
  4. Step 4: Simplify right side
    544,043.16x = 118,070,945,948.52
  5. Step 5: Solve for x
    x = 118,070,945,948.52/544,043.16
  6. Step 6: Final answer
    x = 217,024.96

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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.