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Finding the Fourth Proportional to 404,645.40, 607,211.10 and 167,963.40

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Solution

The fourth proportional to 404,645.40, 607,211.10 and 167,963.40 is: 252,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,645.40 : 607,211.10 = 167,963.40 : x
  2. Step 2: Convert to fraction form
    404,645.40/607,211.10 = 167,963.40/x
  3. Step 3: Cross multiply
    404,645.40x = 607,211.10 × 167,963.40
  4. Step 4: Simplify right side
    404,645.40x = 101,989,240,873.74
  5. Step 5: Solve for x
    x = 101,989,240,873.74/404,645.40
  6. Step 6: Final answer
    x = 252,045.97

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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.