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Finding the Fourth Proportional to 544,084.47, 816,125.63 and 144,725.72

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Solution

The fourth proportional to 544,084.47, 816,125.63 and 144,725.72 is: 217,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,084.47 : 816,125.63 = 144,725.72 : x
  2. Step 2: Convert to fraction form
    544,084.47/816,125.63 = 144,725.72/x
  3. Step 3: Cross multiply
    544,084.47x = 816,125.63 × 144,725.72
  4. Step 4: Simplify right side
    544,084.47x = 118,114,364,607.95
  5. Step 5: Solve for x
    x = 118,114,364,607.95/544,084.47
  6. Step 6: Final answer
    x = 217,088.29

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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.