Finding the Fourth Proportional to 245,828,717.70, 368,743,076.55 and 245,828,717.70
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Solution
The fourth proportional to 245,828,717.70, 368,743,076.55 and 245,828,717.70 is: 368,743,076.55
Step by Step Solution
- Step 1: Write the proportion equation
245,828,717.70 : 368,743,076.55 = 245,828,717.70 : x - Step 2: Convert to fraction form
245,828,717.70/368,743,076.55 = 245,828,717.70/x - Step 3: Cross multiply
245,828,717.70x = 368,743,076.55 × 245,828,717.70 - Step 4: Simplify right side
245,828,717.70x = 90,647,637,669,039,440 - Step 5: Solve for x
x = 90,647,637,669,039,440/245,828,717.70 - Step 6: Final answer
x = 368,743,076.55
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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.