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Finding the Fourth Proportional to 447,460.79, 670,923.48 and 303,543.50

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Solution

The fourth proportional to 447,460.79, 670,923.48 and 303,543.50 is: 455,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,460.79 : 670,923.48 = 303,543.50 : x
  2. Step 2: Convert to fraction form
    447,460.79/670,923.48 = 303,543.50/x
  3. Step 3: Cross multiply
    447,460.79x = 670,923.48 × 303,543.50
  4. Step 4: Simplify right side
    447,460.79x = 203,654,457,996.76
  5. Step 5: Solve for x
    x = 203,654,457,996.76/447,460.79
  6. Step 6: Final answer
    x = 455,133.64

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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.