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Finding the Fourth Proportional to 447,221.52, 670,900.29 and 147,733.74

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Solution

The fourth proportional to 447,221.52, 670,900.29 and 147,733.74 is: 221,623.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,221.52 : 670,900.29 = 147,733.74 : x
  2. Step 2: Convert to fraction form
    447,221.52/670,900.29 = 147,733.74/x
  3. Step 3: Cross multiply
    447,221.52x = 670,900.29 × 147,733.74
  4. Step 4: Simplify right side
    447,221.52x = 99,114,609,008.78
  5. Step 5: Solve for x
    x = 99,114,609,008.78/447,221.52
  6. Step 6: Final answer
    x = 221,623.08

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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.