Finding the Fourth Proportional to 492,656.58, 679,865.78 and 266,302.08
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Solution
The fourth proportional to 492,656.58, 679,865.78 and 266,302.08 is: 367,496.71
Step by Step Solution
- Step 1: Write the proportion equation
492,656.58 : 679,865.78 = 266,302.08 : x - Step 2: Convert to fraction form
492,656.58/679,865.78 = 266,302.08/x - Step 3: Cross multiply
492,656.58x = 679,865.78 × 266,302.08 - Step 4: Simplify right side
492,656.58x = 181,049,671,334.82 - Step 5: Solve for x
x = 181,049,671,334.82/492,656.58 - Step 6: Final answer
x = 367,496.71
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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.