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Finding the Fourth Proportional to 333,492, 500,086.80 and 143,862.90

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Solution

The fourth proportional to 333,492, 500,086.80 and 143,862.90 is: 215,729.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,492 : 500,086.80 = 143,862.90 : x
  2. Step 2: Convert to fraction form
    333,492/500,086.80 = 143,862.90/x
  3. Step 3: Cross multiply
    333,492x = 500,086.80 × 143,862.90
  4. Step 4: Simplify right side
    333,492x = 71,943,937,299.72
  5. Step 5: Solve for x
    x = 71,943,937,299.72/333,492
  6. Step 6: Final answer
    x = 215,729.12

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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.