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Finding the Fourth Proportional to 383,547.09, 575,460.90 and 178,479.54

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Solution

The fourth proportional to 383,547.09, 575,460.90 and 178,479.54 is: 267,784.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,547.09 : 575,460.90 = 178,479.54 : x
  2. Step 2: Convert to fraction form
    383,547.09/575,460.90 = 178,479.54/x
  3. Step 3: Cross multiply
    383,547.09x = 575,460.90 × 178,479.54
  4. Step 4: Simplify right side
    383,547.09x = 102,707,996,719.99
  5. Step 5: Solve for x
    x = 102,707,996,719.99/383,547.09
  6. Step 6: Final answer
    x = 267,784.58

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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.