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Finding the Fourth Proportional to 401,497.56, 602,275.50 and 121,036.68

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Solution

The fourth proportional to 401,497.56, 602,275.50 and 121,036.68 is: 181,563.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,497.56 : 602,275.50 = 121,036.68 : x
  2. Step 2: Convert to fraction form
    401,497.56/602,275.50 = 121,036.68/x
  3. Step 3: Cross multiply
    401,497.56x = 602,275.50 × 121,036.68
  4. Step 4: Simplify right side
    401,497.56x = 72,897,426,965.34
  5. Step 5: Solve for x
    x = 72,897,426,965.34/401,497.56
  6. Step 6: Final answer
    x = 181,563.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.