Finding the Fourth Proportional to 659,169, 909,653.22 and 357,363
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Solution
The fourth proportional to 659,169, 909,653.22 and 357,363 is: 493,160.94
Step by Step Solution
- Step 1: Write the proportion equation
659,169 : 909,653.22 = 357,363 : x - Step 2: Convert to fraction form
659,169/909,653.22 = 357,363/x - Step 3: Cross multiply
659,169x = 909,653.22 × 357,363 - Step 4: Simplify right side
659,169x = 325,076,403,658.86 - Step 5: Solve for x
x = 325,076,403,658.86/659,169 - Step 6: Final answer
x = 493,160.94
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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.