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Finding the Fourth Proportional to 482,580.69, 723,686.67 and 162,646.59

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Solution

The fourth proportional to 482,580.69, 723,686.67 and 162,646.59 is: 243,907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,580.69 : 723,686.67 = 162,646.59 : x
  2. Step 2: Convert to fraction form
    482,580.69/723,686.67 = 162,646.59/x
  3. Step 3: Cross multiply
    482,580.69x = 723,686.67 × 162,646.59
  4. Step 4: Simplify right side
    482,580.69x = 117,705,170,888.76
  5. Step 5: Solve for x
    x = 117,705,170,888.76/482,580.69
  6. Step 6: Final answer
    x = 243,907.75

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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.