Finding the Fourth Proportional to 507,088.55, 699,775.68 and 292,248.62
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Solution
The fourth proportional to 507,088.55, 699,775.68 and 292,248.62 is: 403,299.34
Step by Step Solution
- Step 1: Write the proportion equation
507,088.55 : 699,775.68 = 292,248.62 : x - Step 2: Convert to fraction form
507,088.55/699,775.68 = 292,248.62/x - Step 3: Cross multiply
507,088.55x = 699,775.68 × 292,248.62 - Step 4: Simplify right side
507,088.55x = 204,508,476,789.56 - Step 5: Solve for x
x = 204,508,476,789.56/507,088.55 - Step 6: Final answer
x = 403,299.34
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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.