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Finding the Fourth Proportional to 447,065.80, 670,598.70 and 447,065.80

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Solution

The fourth proportional to 447,065.80, 670,598.70 and 447,065.80 is: 670,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,065.80 : 670,598.70 = 447,065.80 : x
  2. Step 2: Convert to fraction form
    447,065.80/670,598.70 = 447,065.80/x
  3. Step 3: Cross multiply
    447,065.80x = 670,598.70 × 447,065.80
  4. Step 4: Simplify right side
    447,065.80x = 299,801,744,294.46
  5. Step 5: Solve for x
    x = 299,801,744,294.46/447,065.80
  6. Step 6: Final answer
    x = 670,598.70

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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.