Finding the Fourth Proportional to 440,702.79, 604,209.11 and 432,731.17
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Solution
The fourth proportional to 440,702.79, 604,209.11 and 432,731.17 is: 593,279.92
Step by Step Solution
- Step 1: Write the proportion equation
440,702.79 : 604,209.11 = 432,731.17 : x - Step 2: Convert to fraction form
440,702.79/604,209.11 = 432,731.17/x - Step 3: Cross multiply
440,702.79x = 604,209.11 × 432,731.17 - Step 4: Simplify right side
440,702.79x = 261,460,115,094.96 - Step 5: Solve for x
x = 261,460,115,094.96/440,702.79 - Step 6: Final answer
x = 593,279.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.