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Finding the Fourth Proportional to 401,526.37, 602,378.66 and 121,023.37

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Solution

The fourth proportional to 401,526.37, 602,378.66 and 121,023.37 is: 181,561.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,526.37 : 602,378.66 = 121,023.37 : x
  2. Step 2: Convert to fraction form
    401,526.37/602,378.66 = 121,023.37/x
  3. Step 3: Cross multiply
    401,526.37x = 602,378.66 × 121,023.37
  4. Step 4: Simplify right side
    401,526.37x = 72,901,895,449.28
  5. Step 5: Solve for x
    x = 72,901,895,449.28/401,526.37
  6. Step 6: Final answer
    x = 181,561.91

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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.