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Finding the Fourth Proportional to 224,662,406.40, 336,993,609.60 and 188,382,700.80

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Solution

The fourth proportional to 224,662,406.40, 336,993,609.60 and 188,382,700.80 is: 282,574,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,662,406.40 : 336,993,609.60 = 188,382,700.80 : x
  2. Step 2: Convert to fraction form
    224,662,406.40/336,993,609.60 = 188,382,700.80/x
  3. Step 3: Cross multiply
    224,662,406.40x = 336,993,609.60 × 188,382,700.80
  4. Step 4: Simplify right side
    224,662,406.40x = 63,483,766,328,788,816
  5. Step 5: Solve for x
    x = 63,483,766,328,788,816/224,662,406.40
  6. Step 6: Final answer
    x = 282,574,051.20

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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.