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Finding the Fourth Proportional to 475,513.45, 656,275.68 and 294,283.73

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Solution

The fourth proportional to 475,513.45, 656,275.68 and 294,283.73 is: 406,153.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,513.45 : 656,275.68 = 294,283.73 : x
  2. Step 2: Convert to fraction form
    475,513.45/656,275.68 = 294,283.73/x
  3. Step 3: Cross multiply
    475,513.45x = 656,275.68 × 294,283.73
  4. Step 4: Simplify right side
    475,513.45x = 193,131,255,018.69
  5. Step 5: Solve for x
    x = 193,131,255,018.69/475,513.45
  6. Step 6: Final answer
    x = 406,153.09

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1.5x scale

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.