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Finding the Fourth Proportional to 617,606.01, 852,102.01 and 345,630.69

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Solution

The fourth proportional to 617,606.01, 852,102.01 and 345,630.69 is: 476,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,606.01 : 852,102.01 = 345,630.69 : x
  2. Step 2: Convert to fraction form
    617,606.01/852,102.01 = 345,630.69/x
  3. Step 3: Cross multiply
    617,606.01x = 852,102.01 × 345,630.69
  4. Step 4: Simplify right side
    617,606.01x = 294,512,605,666.69
  5. Step 5: Solve for x
    x = 294,512,605,666.69/617,606.01
  6. Step 6: Final answer
    x = 476,861.63

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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.