Finding the Fourth Proportional to 510,590.95, 704,709.99 and 295,730.96
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Solution
The fourth proportional to 510,590.95, 704,709.99 and 295,730.96 is: 408,163.44
Step by Step Solution
- Step 1: Write the proportion equation
510,590.95 : 704,709.99 = 295,730.96 : x - Step 2: Convert to fraction form
510,590.95/704,709.99 = 295,730.96/x - Step 3: Cross multiply
510,590.95x = 704,709.99 × 295,730.96 - Step 4: Simplify right side
510,590.95x = 208,404,558,340.74 - Step 5: Solve for x
x = 208,404,558,340.74/510,590.95 - Step 6: Final answer
x = 408,163.44
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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.