Finding the Fourth Proportional to 473,087.16, 709,368.21 and 157,371.84
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Solution
The fourth proportional to 473,087.16, 709,368.21 and 157,371.84 is: 235,970.43
Step by Step Solution
- Step 1: Write the proportion equation
473,087.16 : 709,368.21 = 157,371.84 : x - Step 2: Convert to fraction form
473,087.16/709,368.21 = 157,371.84/x - Step 3: Cross multiply
473,087.16x = 709,368.21 × 157,371.84 - Step 4: Simplify right side
473,087.16x = 111,634,580,445.21 - Step 5: Solve for x
x = 111,634,580,445.21/473,087.16 - Step 6: Final answer
x = 235,970.43
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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.