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Finding the Fourth Proportional to 400,330.09, 600,698.79 and 175,632.25

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Solution

The fourth proportional to 400,330.09, 600,698.79 and 175,632.25 is: 263,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,330.09 : 600,698.79 = 175,632.25 : x
  2. Step 2: Convert to fraction form
    400,330.09/600,698.79 = 175,632.25/x
  3. Step 3: Cross multiply
    400,330.09x = 600,698.79 × 175,632.25
  4. Step 4: Simplify right side
    400,330.09x = 105,502,080,059.98
  5. Step 5: Solve for x
    x = 105,502,080,059.98/400,330.09
  6. Step 6: Final answer
    x = 263,537.72

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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.