Finding the Fourth Proportional to 875,099.84, 1,312,677.84 and 276,066.56
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Solution
The fourth proportional to 875,099.84, 1,312,677.84 and 276,066.56 is: 414,108.70
Step by Step Solution
- Step 1: Write the proportion equation
875,099.84 : 1,312,677.84 = 276,066.56 : x - Step 2: Convert to fraction form
875,099.84/1,312,677.84 = 276,066.56/x - Step 3: Cross multiply
875,099.84x = 1,312,677.84 × 276,066.56 - Step 4: Simplify right side
875,099.84x = 362,386,455,677.03 - Step 5: Solve for x
x = 362,386,455,677.03/875,099.84 - Step 6: Final answer
x = 414,108.70
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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.