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Finding the Fourth Proportional to 497,719.20, 746,578.80 and 362,416.80

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Solution

The fourth proportional to 497,719.20, 746,578.80 and 362,416.80 is: 543,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,719.20 : 746,578.80 = 362,416.80 : x
  2. Step 2: Convert to fraction form
    497,719.20/746,578.80 = 362,416.80/x
  3. Step 3: Cross multiply
    497,719.20x = 746,578.80 × 362,416.80
  4. Step 4: Simplify right side
    497,719.20x = 270,572,699,643.84
  5. Step 5: Solve for x
    x = 270,572,699,643.84/497,719.20
  6. Step 6: Final answer
    x = 543,625.20

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Similar ratio
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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.