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Finding the Fourth Proportional to 482,666.70, 723,870.45 and 202,125.90

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Solution

The fourth proportional to 482,666.70, 723,870.45 and 202,125.90 is: 303,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,666.70 : 723,870.45 = 202,125.90 : x
  2. Step 2: Convert to fraction form
    482,666.70/723,870.45 = 202,125.90/x
  3. Step 3: Cross multiply
    482,666.70x = 723,870.45 × 202,125.90
  4. Step 4: Simplify right side
    482,666.70x = 146,312,966,189.66
  5. Step 5: Solve for x
    x = 146,312,966,189.66/482,666.70
  6. Step 6: Final answer
    x = 303,134.58

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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.