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Finding the Fourth Proportional to 371,796.59, 513,037.65 and 210,617.12

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Solution

The fourth proportional to 371,796.59, 513,037.65 and 210,617.12 is: 290,628.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,796.59 : 513,037.65 = 210,617.12 : x
  2. Step 2: Convert to fraction form
    371,796.59/513,037.65 = 210,617.12/x
  3. Step 3: Cross multiply
    371,796.59x = 513,037.65 × 210,617.12
  4. Step 4: Simplify right side
    371,796.59x = 108,054,512,294.57
  5. Step 5: Solve for x
    x = 108,054,512,294.57/371,796.59
  6. Step 6: Final answer
    x = 290,628.03

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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.