Finding the Fourth Proportional to 528,097.05, 792,145.58 and 440,617.05
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Solution
The fourth proportional to 528,097.05, 792,145.58 and 440,617.05 is: 660,925.58
Step by Step Solution
- Step 1: Write the proportion equation
528,097.05 : 792,145.58 = 440,617.05 : x - Step 2: Convert to fraction form
528,097.05/792,145.58 = 440,617.05/x - Step 3: Cross multiply
528,097.05x = 792,145.58 × 440,617.05 - Step 4: Simplify right side
528,097.05x = 349,032,846,427.05 - Step 5: Solve for x
x = 349,032,846,427.05/528,097.05 - Step 6: Final answer
x = 660,925.58
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1.5x scale
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.