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Finding the Fourth Proportional to 525,041.15, 787,725.14 and 188,084.70

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Solution

The fourth proportional to 525,041.15, 787,725.14 and 188,084.70 is: 282,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,041.15 : 787,725.14 = 188,084.70 : x
  2. Step 2: Convert to fraction form
    525,041.15/787,725.14 = 188,084.70/x
  3. Step 3: Cross multiply
    525,041.15x = 787,725.14 × 188,084.70
  4. Step 4: Simplify right side
    525,041.15x = 148,159,045,698.94
  5. Step 5: Solve for x
    x = 148,159,045,698.94/525,041.15
  6. Step 6: Final answer
    x = 282,185.59

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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.