Finding the Fourth Proportional to 319,008.02, 440,239.14 and 175,768.02
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Solution
The fourth proportional to 319,008.02, 440,239.14 and 175,768.02 is: 242,564.32
Step by Step Solution
- Step 1: Write the proportion equation
319,008.02 : 440,239.14 = 175,768.02 : x - Step 2: Convert to fraction form
319,008.02/440,239.14 = 175,768.02/x - Step 3: Cross multiply
319,008.02x = 440,239.14 × 175,768.02 - Step 4: Simplify right side
319,008.02x = 77,379,961,964.30 - Step 5: Solve for x
x = 77,379,961,964.30/319,008.02 - Step 6: Final answer
x = 242,564.32
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1.5x scale
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.