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Finding the Fourth Proportional to 525,166.66, 787,833.29 and 188,200.05

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Solution

The fourth proportional to 525,166.66, 787,833.29 and 188,200.05 is: 282,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,166.66 : 787,833.29 = 188,200.05 : x
  2. Step 2: Convert to fraction form
    525,166.66/787,833.29 = 188,200.05/x
  3. Step 3: Cross multiply
    525,166.66x = 787,833.29 × 188,200.05
  4. Step 4: Simplify right side
    525,166.66x = 148,270,264,569.67
  5. Step 5: Solve for x
    x = 148,270,264,569.67/525,166.66
  6. Step 6: Final answer
    x = 282,329.93

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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.