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Finding the Fourth Proportional to 530,510.58, 795,686.90 and 193,472.01

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Solution

The fourth proportional to 530,510.58, 795,686.90 and 193,472.01 is: 290,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,510.58 : 795,686.90 = 193,472.01 : x
  2. Step 2: Convert to fraction form
    530,510.58/795,686.90 = 193,472.01/x
  3. Step 3: Cross multiply
    530,510.58x = 795,686.90 × 193,472.01
  4. Step 4: Simplify right side
    530,510.58x = 153,943,142,906.31
  5. Step 5: Solve for x
    x = 153,943,142,906.31/530,510.58
  6. Step 6: Final answer
    x = 290,179.21

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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.