Finding the Fourth Proportional to 467,565.99, 645,228.16 and 263,615.12
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Solution
The fourth proportional to 467,565.99, 645,228.16 and 263,615.12 is: 363,781.59
Step by Step Solution
- Step 1: Write the proportion equation
467,565.99 : 645,228.16 = 263,615.12 : x - Step 2: Convert to fraction form
467,565.99/645,228.16 = 263,615.12/x - Step 3: Cross multiply
467,565.99x = 645,228.16 × 263,615.12 - Step 4: Simplify right side
467,565.99x = 170,091,899,779.81 - Step 5: Solve for x
x = 170,091,899,779.81/467,565.99 - Step 6: Final answer
x = 363,781.59
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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.