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Finding the Fourth Proportional to 475,011.40, 655,516 and 260,165.02

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Solution

The fourth proportional to 475,011.40, 655,516 and 260,165.02 is: 359,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,011.40 : 655,516 = 260,165.02 : x
  2. Step 2: Convert to fraction form
    475,011.40/655,516 = 260,165.02/x
  3. Step 3: Cross multiply
    475,011.40x = 655,516 × 260,165.02
  4. Step 4: Simplify right side
    475,011.40x = 170,542,333,250.32
  5. Step 5: Solve for x
    x = 170,542,333,250.32/475,011.40
  6. Step 6: Final answer
    x = 359,027.87

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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.