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Finding the Fourth Proportional to 369,333.99, 509,673.74 and 208,185.98

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Solution

The fourth proportional to 369,333.99, 509,673.74 and 208,185.98 is: 287,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,333.99 : 509,673.74 = 208,185.98 : x
  2. Step 2: Convert to fraction form
    369,333.99/509,673.74 = 208,185.98/x
  3. Step 3: Cross multiply
    369,333.99x = 509,673.74 × 208,185.98
  4. Step 4: Simplify right side
    369,333.99x = 106,106,923,452.87
  5. Step 5: Solve for x
    x = 106,106,923,452.87/369,333.99
  6. Step 6: Final answer
    x = 287,292.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.