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Finding the Fourth Proportional to 484,145, 724,815.10 and 364,704.97

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Solution

The fourth proportional to 484,145, 724,815.10 and 364,704.97 is: 546,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,145 : 724,815.10 = 364,704.97 : x
  2. Step 2: Convert to fraction form
    484,145/724,815.10 = 364,704.97/x
  3. Step 3: Cross multiply
    484,145x = 724,815.10 × 364,704.97
  4. Step 4: Simplify right side
    484,145x = 264,343,669,301.05
  5. Step 5: Solve for x
    x = 264,343,669,301.05/484,145
  6. Step 6: Final answer
    x = 546,001.03

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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.