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Finding the Fourth Proportional to 541,436.50, 746,855.49 and 347,779.02

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Solution

The fourth proportional to 541,436.50, 746,855.49 and 347,779.02 is: 479,725.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,436.50 : 746,855.49 = 347,779.02 : x
  2. Step 2: Convert to fraction form
    541,436.50/746,855.49 = 347,779.02/x
  3. Step 3: Cross multiply
    541,436.50x = 746,855.49 × 347,779.02
  4. Step 4: Simplify right side
    541,436.50x = 259,740,668,341.38
  5. Step 5: Solve for x
    x = 259,740,668,341.38/541,436.50
  6. Step 6: Final answer
    x = 479,725.08

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Double scale
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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.