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Finding the Fourth Proportional to 591,758.40, 887,861.20 and 355,265.94

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Solution

The fourth proportional to 591,758.40, 887,861.20 and 355,265.94 is: 533,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,758.40 : 887,861.20 = 355,265.94 : x
  2. Step 2: Convert to fraction form
    591,758.40/887,861.20 = 355,265.94/x
  3. Step 3: Cross multiply
    591,758.40x = 887,861.20 × 355,265.94
  4. Step 4: Simplify right side
    591,758.40x = 315,426,843,807.53
  5. Step 5: Solve for x
    x = 315,426,843,807.53/591,758.40
  6. Step 6: Final answer
    x = 533,033.15

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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.