Finding the Fourth Proportional to 419,089.01, 578,355.18 and 296,800.18
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Solution
The fourth proportional to 419,089.01, 578,355.18 and 296,800.18 is: 409,592.99
Step by Step Solution
- Step 1: Write the proportion equation
419,089.01 : 578,355.18 = 296,800.18 : x - Step 2: Convert to fraction form
419,089.01/578,355.18 = 296,800.18/x - Step 3: Cross multiply
419,089.01x = 578,355.18 × 296,800.18 - Step 4: Simplify right side
419,089.01x = 171,655,920,082.04 - Step 5: Solve for x
x = 171,655,920,082.04/419,089.01 - Step 6: Final answer
x = 409,592.99
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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.