Finding the Fourth Proportional to 832,973.98, 1,249,460.96 and 201,887.78
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Solution
The fourth proportional to 832,973.98, 1,249,460.96 and 201,887.78 is: 302,831.67
Step by Step Solution
- Step 1: Write the proportion equation
832,973.98 : 1,249,460.96 = 201,887.78 : x - Step 2: Convert to fraction form
832,973.98/1,249,460.96 = 201,887.78/x - Step 3: Cross multiply
832,973.98x = 1,249,460.96 × 201,887.78 - Step 4: Simplify right side
832,973.98x = 252,250,899,411.07 - Step 5: Solve for x
x = 252,250,899,411.07/832,973.98 - Step 6: Final answer
x = 302,831.67
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1.5x scale
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.