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Finding the Fourth Proportional to 397,306, 596,333.52 and 144,830.50

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Solution

The fourth proportional to 397,306, 596,333.52 and 144,830.50 is: 217,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,306 : 596,333.52 = 144,830.50 : x
  2. Step 2: Convert to fraction form
    397,306/596,333.52 = 144,830.50/x
  3. Step 3: Cross multiply
    397,306x = 596,333.52 × 144,830.50
  4. Step 4: Simplify right side
    397,306x = 86,367,281,868.36
  5. Step 5: Solve for x
    x = 86,367,281,868.36/397,306
  6. Step 6: Final answer
    x = 217,382.27

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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.