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Finding the Fourth Proportional to 289,866.33, 400,003.52 and 175,212.18

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Solution

The fourth proportional to 289,866.33, 400,003.52 and 175,212.18 is: 241,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,866.33 : 400,003.52 = 175,212.18 : x
  2. Step 2: Convert to fraction form
    289,866.33/400,003.52 = 175,212.18/x
  3. Step 3: Cross multiply
    289,866.33x = 400,003.52 × 175,212.18
  4. Step 4: Simplify right side
    289,866.33x = 70,085,487,870.81
  5. Step 5: Solve for x
    x = 70,085,487,870.81/289,866.33
  6. Step 6: Final answer
    x = 241,785.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.