Finding the Fourth Proportional to 503,605.99, 695,026.47 and 376,060.15
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Solution
The fourth proportional to 503,605.99, 695,026.47 and 376,060.15 is: 519,000.50
Step by Step Solution
- Step 1: Write the proportion equation
503,605.99 : 695,026.47 = 376,060.15 : x - Step 2: Convert to fraction form
503,605.99/695,026.47 = 376,060.15/x - Step 3: Cross multiply
503,605.99x = 695,026.47 × 376,060.15 - Step 4: Simplify right side
503,605.99x = 261,371,758,562.17 - Step 5: Solve for x
x = 261,371,758,562.17/503,605.99 - Step 6: Final answer
x = 519,000.50
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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.