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Finding the Fourth Proportional to 475,744.63, 656,536.59 and 260,871.88

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Solution

The fourth proportional to 475,744.63, 656,536.59 and 260,871.88 is: 360,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,744.63 : 656,536.59 = 260,871.88 : x
  2. Step 2: Convert to fraction form
    475,744.63/656,536.59 = 260,871.88/x
  3. Step 3: Cross multiply
    475,744.63x = 656,536.59 × 260,871.88
  4. Step 4: Simplify right side
    475,744.63x = 171,271,934,522.09
  5. Step 5: Solve for x
    x = 171,271,934,522.09/475,744.63
  6. Step 6: Final answer
    x = 360,008.13

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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.