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Finding the Fourth Proportional to 541,483.68, 746,795.78 and 405,841.08

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Solution

The fourth proportional to 541,483.68, 746,795.78 and 405,841.08 is: 559,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,483.68 : 746,795.78 = 405,841.08 : x
  2. Step 2: Convert to fraction form
    541,483.68/746,795.78 = 405,841.08/x
  3. Step 3: Cross multiply
    541,483.68x = 746,795.78 × 405,841.08
  4. Step 4: Simplify right side
    541,483.68x = 303,080,405,894.64
  5. Step 5: Solve for x
    x = 303,080,405,894.64/541,483.68
  6. Step 6: Final answer
    x = 559,722.14

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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.