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Finding the Fourth Proportional to 404,689.40, 607,277.10 and 168,007.40

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Solution

The fourth proportional to 404,689.40, 607,277.10 and 168,007.40 is: 252,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,689.40 : 607,277.10 = 168,007.40 : x
  2. Step 2: Convert to fraction form
    404,689.40/607,277.10 = 168,007.40/x
  3. Step 3: Cross multiply
    404,689.40x = 607,277.10 × 168,007.40
  4. Step 4: Simplify right side
    404,689.40x = 102,027,046,650.54
  5. Step 5: Solve for x
    x = 102,027,046,650.54/404,689.40
  6. Step 6: Final answer
    x = 252,111.98

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1.5x scale

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.