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Finding the Fourth Proportional to 530,813.40, 795,701.70 and 474,826.20

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Solution

The fourth proportional to 530,813.40, 795,701.70 and 474,826.20 is: 711,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,813.40 : 795,701.70 = 474,826.20 : x
  2. Step 2: Convert to fraction form
    530,813.40/795,701.70 = 474,826.20/x
  3. Step 3: Cross multiply
    530,813.40x = 795,701.70 × 474,826.20
  4. Step 4: Simplify right side
    530,813.40x = 377,820,014,544.54
  5. Step 5: Solve for x
    x = 377,820,014,544.54/530,813.40
  6. Step 6: Final answer
    x = 711,775.58

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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.