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Finding the Fourth Proportional to 401,458.50, 602,421.03 and 179,842.50

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Solution

The fourth proportional to 401,458.50, 602,421.03 and 179,842.50 is: 269,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,458.50 : 602,421.03 = 179,842.50 : x
  2. Step 2: Convert to fraction form
    401,458.50/602,421.03 = 179,842.50/x
  3. Step 3: Cross multiply
    401,458.50x = 602,421.03 × 179,842.50
  4. Step 4: Simplify right side
    401,458.50x = 108,340,904,087.78
  5. Step 5: Solve for x
    x = 108,340,904,087.78/401,458.50
  6. Step 6: Final answer
    x = 269,868.25

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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.