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Finding the Fourth Proportional to 483,779.80, 725,671.26 and 146,823.32

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Solution

The fourth proportional to 483,779.80, 725,671.26 and 146,823.32 is: 220,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,779.80 : 725,671.26 = 146,823.32 : x
  2. Step 2: Convert to fraction form
    483,779.80/725,671.26 = 146,823.32/x
  3. Step 3: Cross multiply
    483,779.80x = 725,671.26 × 146,823.32
  4. Step 4: Simplify right side
    483,779.80x = 106,545,463,621.78
  5. Step 5: Solve for x
    x = 106,545,463,621.78/483,779.80
  6. Step 6: Final answer
    x = 220,235.45

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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.