Finding the Fourth Proportional to 346,590.13, 478,247.06 and 193,609.41
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Solution
The fourth proportional to 346,590.13, 478,247.06 and 193,609.41 is: 267,154.54
Step by Step Solution
- Step 1: Write the proportion equation
346,590.13 : 478,247.06 = 193,609.41 : x - Step 2: Convert to fraction form
346,590.13/478,247.06 = 193,609.41/x - Step 3: Cross multiply
346,590.13x = 478,247.06 × 193,609.41 - Step 4: Simplify right side
346,590.13x = 92,593,128,359.36 - Step 5: Solve for x
x = 92,593,128,359.36/346,590.13 - Step 6: Final answer
x = 267,154.54
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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.