Finding the Fourth Proportional to 615,319.31, 923,076.57 and 260,336
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Solution
The fourth proportional to 615,319.31, 923,076.57 and 260,336 is: 390,545.30
Step by Step Solution
- Step 1: Write the proportion equation
615,319.31 : 923,076.57 = 260,336 : x - Step 2: Convert to fraction form
615,319.31/923,076.57 = 260,336/x - Step 3: Cross multiply
615,319.31x = 923,076.57 × 260,336 - Step 4: Simplify right side
615,319.31x = 240,310,061,927.52 - Step 5: Solve for x
x = 240,310,061,927.52/615,319.31 - Step 6: Final answer
x = 390,545.30
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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.