Finding the Fourth Proportional to 473,036.58, 709,478.11 and 136,000.44
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Solution
The fourth proportional to 473,036.58, 709,478.11 and 136,000.44 is: 203,978.59
Step by Step Solution
- Step 1: Write the proportion equation
473,036.58 : 709,478.11 = 136,000.44 : x - Step 2: Convert to fraction form
473,036.58/709,478.11 = 136,000.44/x - Step 3: Cross multiply
473,036.58x = 709,478.11 × 136,000.44 - Step 4: Simplify right side
473,036.58x = 96,489,335,130.37 - Step 5: Solve for x
x = 96,489,335,130.37/473,036.58 - Step 6: Final answer
x = 203,978.59
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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.