Finding the Fourth Proportional to 517,855.08, 714,446.58 and 517,056.74
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Solution
The fourth proportional to 517,855.08, 714,446.58 and 517,056.74 is: 713,345.17
Step by Step Solution
- Step 1: Write the proportion equation
517,855.08 : 714,446.58 = 517,056.74 : x - Step 2: Convert to fraction form
517,855.08/714,446.58 = 517,056.74/x - Step 3: Cross multiply
517,855.08x = 714,446.58 × 517,056.74 - Step 4: Simplify right side
517,855.08x = 369,409,419,558.95 - Step 5: Solve for x
x = 369,409,419,558.95/517,855.08 - Step 6: Final answer
x = 713,345.17
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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.