Finding the Fourth Proportional to 614,395.08, 921,718.06 and 348,274.44
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Solution
The fourth proportional to 614,395.08, 921,718.06 and 348,274.44 is: 522,482.77
Step by Step Solution
- Step 1: Write the proportion equation
614,395.08 : 921,718.06 = 348,274.44 : x - Step 2: Convert to fraction form
614,395.08/921,718.06 = 348,274.44/x - Step 3: Cross multiply
614,395.08x = 921,718.06 × 348,274.44 - Step 4: Simplify right side
614,395.08x = 321,010,841,184.39 - Step 5: Solve for x
x = 321,010,841,184.39/614,395.08 - Step 6: Final answer
x = 522,482.77
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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.