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Finding the Fourth Proportional to 474,946.45, 655,406.41 and 260,082.81

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Solution

The fourth proportional to 474,946.45, 655,406.41 and 260,082.81 is: 358,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,946.45 : 655,406.41 = 260,082.81 : x
  2. Step 2: Convert to fraction form
    474,946.45/655,406.41 = 260,082.81/x
  3. Step 3: Cross multiply
    474,946.45x = 655,406.41 × 260,082.81
  4. Step 4: Simplify right side
    474,946.45x = 170,459,940,154.61
  5. Step 5: Solve for x
    x = 170,459,940,154.61/474,946.45
  6. Step 6: Final answer
    x = 358,903.50

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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.