Finding the Fourth Proportional to 695,404.80, 1,042,609.05 and 268,575.30
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Solution
The fourth proportional to 695,404.80, 1,042,609.05 and 268,575.30 is: 402,670.56
Step by Step Solution
- Step 1: Write the proportion equation
695,404.80 : 1,042,609.05 = 268,575.30 : x - Step 2: Convert to fraction form
695,404.80/1,042,609.05 = 268,575.30/x - Step 3: Cross multiply
695,404.80x = 1,042,609.05 × 268,575.30 - Step 4: Simplify right side
695,404.80x = 280,019,038,386.47 - Step 5: Solve for x
x = 280,019,038,386.47/695,404.80 - Step 6: Final answer
x = 402,670.56
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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.