Finding the Fourth Proportional to 313,624,526.54, 432,802,202.87 and 174,392,298.95
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Solution
The fourth proportional to 313,624,526.54, 432,802,202.87 and 174,392,298.95 is: 240,661,570.64
Step by Step Solution
- Step 1: Write the proportion equation
313,624,526.54 : 432,802,202.87 = 174,392,298.95 : x - Step 2: Convert to fraction form
313,624,526.54/432,802,202.87 = 174,392,298.95/x - Step 3: Cross multiply
313,624,526.54x = 432,802,202.87 × 174,392,298.95 - Step 4: Simplify right side
313,624,526.54x = 75,477,371,147,395,552 - Step 5: Solve for x
x = 75,477,371,147,395,552/313,624,526.54 - Step 6: Final answer
x = 240,661,570.64
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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.