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Finding the Fourth Proportional to 650,661.48, 897,931.85 and 364,174.20

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Solution

The fourth proportional to 650,661.48, 897,931.85 and 364,174.20 is: 502,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,661.48 : 897,931.85 = 364,174.20 : x
  2. Step 2: Convert to fraction form
    650,661.48/897,931.85 = 364,174.20/x
  3. Step 3: Cross multiply
    650,661.48x = 897,931.85 × 364,174.20
  4. Step 4: Simplify right side
    650,661.48x = 327,003,611,307.40
  5. Step 5: Solve for x
    x = 327,003,611,307.40/650,661.48
  6. Step 6: Final answer
    x = 502,571.03

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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.