Finding the Fourth Proportional to 1,865,368.85, 2,798,053.27 and 517,531.68
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Solution
The fourth proportional to 1,865,368.85, 2,798,053.27 and 517,531.68 is: 776,297.52
Step by Step Solution
- Step 1: Write the proportion equation
1,865,368.85 : 2,798,053.27 = 517,531.68 : x - Step 2: Convert to fraction form
1,865,368.85/2,798,053.27 = 517,531.68/x - Step 3: Cross multiply
1,865,368.85x = 2,798,053.27 × 517,531.68 - Step 4: Simplify right side
1,865,368.85x = 1,448,081,208,258.76 - Step 5: Solve for x
x = 1,448,081,208,258.76/1,865,368.85 - Step 6: Final answer
x = 776,297.52
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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.