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Finding the Fourth Proportional to 475,757.69, 656,554.63 and 260,884.94

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Solution

The fourth proportional to 475,757.69, 656,554.63 and 260,884.94 is: 360,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,757.69 : 656,554.63 = 260,884.94 : x
  2. Step 2: Convert to fraction form
    475,757.69/656,554.63 = 260,884.94/x
  3. Step 3: Cross multiply
    475,757.69x = 656,554.63 × 260,884.94
  4. Step 4: Simplify right side
    475,757.69x = 171,285,211,319.29
  5. Step 5: Solve for x
    x = 171,285,211,319.29/475,757.69
  6. Step 6: Final answer
    x = 360,026.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.