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Finding the Fourth Proportional to 575,806.63, 863,678.78 and 176,448.55

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Solution

The fourth proportional to 575,806.63, 863,678.78 and 176,448.55 is: 264,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,806.63 : 863,678.78 = 176,448.55 : x
  2. Step 2: Convert to fraction form
    575,806.63/863,678.78 = 176,448.55/x
  3. Step 3: Cross multiply
    575,806.63x = 863,678.78 × 176,448.55
  4. Step 4: Simplify right side
    575,806.63x = 152,394,868,396.77
  5. Step 5: Solve for x
    x = 152,394,868,396.77/575,806.63
  6. Step 6: Final answer
    x = 264,663.27

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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.