Finding the Fourth Proportional to 366,386.70, 549,580.05 and 307,337.70
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Solution
The fourth proportional to 366,386.70, 549,580.05 and 307,337.70 is: 461,006.55
Step by Step Solution
- Step 1: Write the proportion equation
366,386.70 : 549,580.05 = 307,337.70 : x - Step 2: Convert to fraction form
366,386.70/549,580.05 = 307,337.70/x - Step 3: Cross multiply
366,386.70x = 549,580.05 × 307,337.70 - Step 4: Simplify right side
366,386.70x = 168,906,668,532.89 - Step 5: Solve for x
x = 168,906,668,532.89/366,386.70 - Step 6: Final answer
x = 461,006.55
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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.