Finding the Fourth Proportional to 1,528,389.30, 2,292,511.05 and 517,412.10
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Solution
The fourth proportional to 1,528,389.30, 2,292,511.05 and 517,412.10 is: 776,093.47
Step by Step Solution
- Step 1: Write the proportion equation
1,528,389.30 : 2,292,511.05 = 517,412.10 : x - Step 2: Convert to fraction form
1,528,389.30/2,292,511.05 = 517,412.10/x - Step 3: Cross multiply
1,528,389.30x = 2,292,511.05 × 517,412.10 - Step 4: Simplify right side
1,528,389.30x = 1,186,172,956,653.70 - Step 5: Solve for x
x = 1,186,172,956,653.70/1,528,389.30 - Step 6: Final answer
x = 776,093.47
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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.