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Finding the Fourth Proportional to 681,599.40, 940,602.97 and 371,501.64

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Solution

The fourth proportional to 681,599.40, 940,602.97 and 371,501.64 is: 512,669.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,599.40 : 940,602.97 = 371,501.64 : x
  2. Step 2: Convert to fraction form
    681,599.40/940,602.97 = 371,501.64/x
  3. Step 3: Cross multiply
    681,599.40x = 940,602.97 × 371,501.64
  4. Step 4: Simplify right side
    681,599.40x = 349,435,539,383.35
  5. Step 5: Solve for x
    x = 349,435,539,383.35/681,599.40
  6. Step 6: Final answer
    x = 512,669.96

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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.