Finding the Fourth Proportional to 473,277.94, 709,916.91 and 140,853.94
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Solution
The fourth proportional to 473,277.94, 709,916.91 and 140,853.94 is: 211,280.91
Step by Step Solution
- Step 1: Write the proportion equation
473,277.94 : 709,916.91 = 140,853.94 : x - Step 2: Convert to fraction form
473,277.94/709,916.91 = 140,853.94/x - Step 3: Cross multiply
473,277.94x = 709,916.91 × 140,853.94 - Step 4: Simplify right side
473,277.94x = 99,994,591,543.13 - Step 5: Solve for x
x = 99,994,591,543.13/473,277.94 - Step 6: Final answer
x = 211,280.91
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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.