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Finding the Fourth Proportional to 364,302.40, 546,052.65 and 127,523.20

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Solution

The fourth proportional to 364,302.40, 546,052.65 and 127,523.20 is: 191,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,302.40 : 546,052.65 = 127,523.20 : x
  2. Step 2: Convert to fraction form
    364,302.40/546,052.65 = 127,523.20/x
  3. Step 3: Cross multiply
    364,302.40x = 546,052.65 × 127,523.20
  4. Step 4: Simplify right side
    364,302.40x = 69,634,381,296.48
  5. Step 5: Solve for x
    x = 69,634,381,296.48/364,302.40
  6. Step 6: Final answer
    x = 191,144.45

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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.