Finding the Fourth Proportional to 465,579.04, 698,257.80 and 128,612.20
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Solution
The fourth proportional to 465,579.04, 698,257.80 and 128,612.20 is: 192,887.70
Step by Step Solution
- Step 1: Write the proportion equation
465,579.04 : 698,257.80 = 128,612.20 : x - Step 2: Convert to fraction form
465,579.04/698,257.80 = 128,612.20/x - Step 3: Cross multiply
465,579.04x = 698,257.80 × 128,612.20 - Step 4: Simplify right side
465,579.04x = 89,804,471,825.16 - Step 5: Solve for x
x = 89,804,471,825.16/465,579.04 - Step 6: Final answer
x = 192,887.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.