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Finding the Fourth Proportional to 527,007.25, 790,532.75 and 153,030.25

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Solution

The fourth proportional to 527,007.25, 790,532.75 and 153,030.25 is: 229,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,007.25 : 790,532.75 = 153,030.25 : x
  2. Step 2: Convert to fraction form
    527,007.25/790,532.75 = 153,030.25/x
  3. Step 3: Cross multiply
    527,007.25x = 790,532.75 × 153,030.25
  4. Step 4: Simplify right side
    527,007.25x = 120,975,424,365.69
  5. Step 5: Solve for x
    x = 120,975,424,365.69/527,007.25
  6. Step 6: Final answer
    x = 229,551.73

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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.