Finding the Fourth Proportional to 586,840.48, 880,587.69 and 316,963.15
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Solution
The fourth proportional to 586,840.48, 880,587.69 and 316,963.15 is: 475,621.32
Step by Step Solution
- Step 1: Write the proportion equation
586,840.48 : 880,587.69 = 316,963.15 : x - Step 2: Convert to fraction form
586,840.48/880,587.69 = 316,963.15/x - Step 3: Cross multiply
586,840.48x = 880,587.69 × 316,963.15 - Step 4: Simplify right side
586,840.48x = 279,113,843,670.69 - Step 5: Solve for x
x = 279,113,843,670.69/586,840.48 - Step 6: Final answer
x = 475,621.32
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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.