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Finding the Fourth Proportional to 403,740.33, 605,578.69 and 176,030.57

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Solution

The fourth proportional to 403,740.33, 605,578.69 and 176,030.57 is: 264,031.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,740.33 : 605,578.69 = 176,030.57 : x
  2. Step 2: Convert to fraction form
    403,740.33/605,578.69 = 176,030.57/x
  3. Step 3: Cross multiply
    403,740.33x = 605,578.69 × 176,030.57
  4. Step 4: Simplify right side
    403,740.33x = 106,600,363,714.54
  5. Step 5: Solve for x
    x = 106,600,363,714.54/403,740.33
  6. Step 6: Final answer
    x = 264,031.99

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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.