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Finding the Fourth Proportional to 466,711.40, 700,412.70 and 186,429.80

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Solution

The fourth proportional to 466,711.40, 700,412.70 and 186,429.80 is: 279,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,711.40 : 700,412.70 = 186,429.80 : x
  2. Step 2: Convert to fraction form
    466,711.40/700,412.70 = 186,429.80/x
  3. Step 3: Cross multiply
    466,711.40x = 700,412.70 × 186,429.80
  4. Step 4: Simplify right side
    466,711.40x = 130,577,799,578.46
  5. Step 5: Solve for x
    x = 130,577,799,578.46/466,711.40
  6. Step 6: Final answer
    x = 279,782.75

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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.