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Finding the Fourth Proportional to 483,124.53, 724,712.04 and 146,156.70

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Solution

The fourth proportional to 483,124.53, 724,712.04 and 146,156.70 is: 219,242.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,124.53 : 724,712.04 = 146,156.70 : x
  2. Step 2: Convert to fraction form
    483,124.53/724,712.04 = 146,156.70/x
  3. Step 3: Cross multiply
    483,124.53x = 724,712.04 × 146,156.70
  4. Step 4: Simplify right side
    483,124.53x = 105,921,520,216.67
  5. Step 5: Solve for x
    x = 105,921,520,216.67/483,124.53
  6. Step 6: Final answer
    x = 219,242.69

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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.