Home / 369,297.45-509,292.23-242,043.21

Finding the Fourth Proportional to 369,297.45, 509,292.23 and 242,043.21

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Solution

The fourth proportional to 369,297.45, 509,292.23 and 242,043.21 is: 333,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,297.45 : 509,292.23 = 242,043.21 : x
  2. Step 2: Convert to fraction form
    369,297.45/509,292.23 = 242,043.21/x
  3. Step 3: Cross multiply
    369,297.45x = 509,292.23 × 242,043.21
  4. Step 4: Simplify right side
    369,297.45x = 123,270,724,967.04
  5. Step 5: Solve for x
    x = 123,270,724,967.04/369,297.45
  6. Step 6: Final answer
    x = 333,797.93

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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.