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Finding the Fourth Proportional to 474,953.30, 655,412.94 and 260,094.53

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Solution

The fourth proportional to 474,953.30, 655,412.94 and 260,094.53 is: 358,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,953.30 : 655,412.94 = 260,094.53 : x
  2. Step 2: Convert to fraction form
    474,953.30/655,412.94 = 260,094.53/x
  3. Step 3: Cross multiply
    474,953.30x = 655,412.94 × 260,094.53
  4. Step 4: Simplify right side
    474,953.30x = 170,469,320,585.22
  5. Step 5: Solve for x
    x = 170,469,320,585.22/474,953.30
  6. Step 6: Final answer
    x = 358,918.07

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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.