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Finding the Fourth Proportional to 364,009.20, 545,795.10 and 186,862.20

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Solution

The fourth proportional to 364,009.20, 545,795.10 and 186,862.20 is: 280,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,009.20 : 545,795.10 = 186,862.20 : x
  2. Step 2: Convert to fraction form
    364,009.20/545,795.10 = 186,862.20/x
  3. Step 3: Cross multiply
    364,009.20x = 545,795.10 × 186,862.20
  4. Step 4: Simplify right side
    364,009.20x = 101,988,473,135.22
  5. Step 5: Solve for x
    x = 101,988,473,135.22/364,009.20
  6. Step 6: Final answer
    x = 280,181.03

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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.