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Finding the Fourth Proportional to 403,341.63, 605,050.51 and 119,033.25

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Solution

The fourth proportional to 403,341.63, 605,050.51 and 119,033.25 is: 178,561.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,341.63 : 605,050.51 = 119,033.25 : x
  2. Step 2: Convert to fraction form
    403,341.63/605,050.51 = 119,033.25/x
  3. Step 3: Cross multiply
    403,341.63x = 605,050.51 × 119,033.25
  4. Step 4: Simplify right side
    403,341.63x = 72,021,128,619.46
  5. Step 5: Solve for x
    x = 72,021,128,619.46/403,341.63
  6. Step 6: Final answer
    x = 178,561.11

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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.