Finding the Fourth Proportional to 581,918.34, 802,926.91 and 340,154.13
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Solution
The fourth proportional to 581,918.34, 802,926.91 and 340,154.13 is: 469,342.32
Step by Step Solution
- Step 1: Write the proportion equation
581,918.34 : 802,926.91 = 340,154.13 : x - Step 2: Convert to fraction form
581,918.34/802,926.91 = 340,154.13/x - Step 3: Cross multiply
581,918.34x = 802,926.91 × 340,154.13 - Step 4: Simplify right side
581,918.34x = 273,118,907,960.81 - Step 5: Solve for x
x = 273,118,907,960.81/581,918.34 - Step 6: Final answer
x = 469,342.32
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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.