Finding the Fourth Proportional to 571,133.19, 788,161.68 and 316,484.19
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Solution
The fourth proportional to 571,133.19, 788,161.68 and 316,484.19 is: 436,747.01
Step by Step Solution
- Step 1: Write the proportion equation
571,133.19 : 788,161.68 = 316,484.19 : x - Step 2: Convert to fraction form
571,133.19/788,161.68 = 316,484.19/x - Step 3: Cross multiply
571,133.19x = 788,161.68 × 316,484.19 - Step 4: Simplify right side
571,133.19x = 249,440,710,883.84 - Step 5: Solve for x
x = 249,440,710,883.84/571,133.19 - Step 6: Final answer
x = 436,747.01
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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.