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Finding the Fourth Proportional to 475,342.75, 655,973.01 and 260,491.27

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Solution

The fourth proportional to 475,342.75, 655,973.01 and 260,491.27 is: 359,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,342.75 : 655,973.01 = 260,491.27 : x
  2. Step 2: Convert to fraction form
    475,342.75/655,973.01 = 260,491.27/x
  3. Step 3: Cross multiply
    475,342.75x = 655,973.01 × 260,491.27
  4. Step 4: Simplify right side
    475,342.75x = 170,875,241,158.17
  5. Step 5: Solve for x
    x = 170,875,241,158.17/475,342.75
  6. Step 6: Final answer
    x = 359,477.96

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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.