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Finding the Fourth Proportional to 541,090.49, 811,627.47 and 186,107.58

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Solution

The fourth proportional to 541,090.49, 811,627.47 and 186,107.58 is: 279,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,090.49 : 811,627.47 = 186,107.58 : x
  2. Step 2: Convert to fraction form
    541,090.49/811,627.47 = 186,107.58/x
  3. Step 3: Cross multiply
    541,090.49x = 811,627.47 × 186,107.58
  4. Step 4: Simplify right side
    541,090.49x = 151,050,024,303.22
  5. Step 5: Solve for x
    x = 151,050,024,303.22/541,090.49
  6. Step 6: Final answer
    x = 279,158.53

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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.