Finding the Fourth Proportional to 533,863.54, 736,681.53 and 361,430.74
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Solution
The fourth proportional to 533,863.54, 736,681.53 and 361,430.74 is: 498,740.47
Step by Step Solution
- Step 1: Write the proportion equation
533,863.54 : 736,681.53 = 361,430.74 : x - Step 2: Convert to fraction form
533,863.54/736,681.53 = 361,430.74/x - Step 3: Cross multiply
533,863.54x = 736,681.53 × 361,430.74 - Step 4: Simplify right side
533,863.54x = 266,259,350,532.23 - Step 5: Solve for x
x = 266,259,350,532.23/533,863.54 - Step 6: Final answer
x = 498,740.47
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1.5x scale
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.