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Finding the Fourth Proportional to 355,273.80, 532,457.10 and 144,673.80

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Solution

The fourth proportional to 355,273.80, 532,457.10 and 144,673.80 is: 216,825.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,273.80 : 532,457.10 = 144,673.80 : x
  2. Step 2: Convert to fraction form
    355,273.80/532,457.10 = 144,673.80/x
  3. Step 3: Cross multiply
    355,273.80x = 532,457.10 × 144,673.80
  4. Step 4: Simplify right side
    355,273.80x = 77,032,591,993.98
  5. Step 5: Solve for x
    x = 77,032,591,993.98/355,273.80
  6. Step 6: Final answer
    x = 216,825.99

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1.5x scale

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.