Finding the Fourth Proportional to 473,291.84, 709,776.79 and 153,356.96
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Solution
The fourth proportional to 473,291.84, 709,776.79 and 153,356.96 is: 229,983.28
Step by Step Solution
- Step 1: Write the proportion equation
473,291.84 : 709,776.79 = 153,356.96 : x - Step 2: Convert to fraction form
473,291.84/709,776.79 = 153,356.96/x - Step 3: Cross multiply
473,291.84x = 709,776.79 × 153,356.96 - Step 4: Simplify right side
473,291.84x = 108,849,212,184.01 - Step 5: Solve for x
x = 108,849,212,184.01/473,291.84 - Step 6: Final answer
x = 229,983.28
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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.