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Finding the Fourth Proportional to 587,686.40, 881,529.60 and 401,062.40

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Solution

The fourth proportional to 587,686.40, 881,529.60 and 401,062.40 is: 601,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,686.40 : 881,529.60 = 401,062.40 : x
  2. Step 2: Convert to fraction form
    587,686.40/881,529.60 = 401,062.40/x
  3. Step 3: Cross multiply
    587,686.40x = 881,529.60 × 401,062.40
  4. Step 4: Simplify right side
    587,686.40x = 353,548,377,047.04
  5. Step 5: Solve for x
    x = 353,548,377,047.04/587,686.40
  6. Step 6: Final answer
    x = 601,593.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.