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Finding the Fourth Proportional to 475,614.36, 656,330.40 and 260,749.71

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Solution

The fourth proportional to 475,614.36, 656,330.40 and 260,749.71 is: 359,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,614.36 : 656,330.40 = 260,749.71 : x
  2. Step 2: Convert to fraction form
    475,614.36/656,330.40 = 260,749.71/x
  3. Step 3: Cross multiply
    475,614.36x = 656,330.40 × 260,749.71
  4. Step 4: Simplify right side
    475,614.36x = 171,137,961,464.18
  5. Step 5: Solve for x
    x = 171,137,961,464.18/475,614.36
  6. Step 6: Final answer
    x = 359,825.05

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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.