Finding the Fourth Proportional to 319,585.93, 441,017.99 and 176,346.07
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Solution
The fourth proportional to 319,585.93, 441,017.99 and 176,346.07 is: 243,351.73
Step by Step Solution
- Step 1: Write the proportion equation
319,585.93 : 441,017.99 = 176,346.07 : x - Step 2: Convert to fraction form
319,585.93/441,017.99 = 176,346.07/x - Step 3: Cross multiply
319,585.93x = 441,017.99 × 176,346.07 - Step 4: Simplify right side
319,585.93x = 77,771,789,335.80 - Step 5: Solve for x
x = 77,771,789,335.80/319,585.93 - Step 6: Final answer
x = 243,351.73
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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.