Finding the Fourth Proportional to 530,298, 731,811.36 and 291,834
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Solution
The fourth proportional to 530,298, 731,811.36 and 291,834 is: 402,730.99
Step by Step Solution
- Step 1: Write the proportion equation
530,298 : 731,811.36 = 291,834 : x - Step 2: Convert to fraction form
530,298/731,811.36 = 291,834/x - Step 3: Cross multiply
530,298x = 731,811.36 × 291,834 - Step 4: Simplify right side
530,298x = 213,567,436,434.24 - Step 5: Solve for x
x = 213,567,436,434.24/530,298 - Step 6: Final answer
x = 402,730.99
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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.