Finding the Fourth Proportional to 1,368,915.81, 2,053,216.86 and 358,135.32
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Solution
The fourth proportional to 1,368,915.81, 2,053,216.86 and 358,135.32 is: 537,161.94
Step by Step Solution
- Step 1: Write the proportion equation
1,368,915.81 : 2,053,216.86 = 358,135.32 : x - Step 2: Convert to fraction form
1,368,915.81/2,053,216.86 = 358,135.32/x - Step 3: Cross multiply
1,368,915.81x = 2,053,216.86 × 358,135.32 - Step 4: Simplify right side
1,368,915.81x = 735,329,477,185.50 - Step 5: Solve for x
x = 735,329,477,185.50/1,368,915.81 - Step 6: Final answer
x = 537,161.94
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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.