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Finding the Fourth Proportional to 524,576.72, 723,888.84 and 286,066.64

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Solution

The fourth proportional to 524,576.72, 723,888.84 and 286,066.64 is: 394,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,576.72 : 723,888.84 = 286,066.64 : x
  2. Step 2: Convert to fraction form
    524,576.72/723,888.84 = 286,066.64/x
  3. Step 3: Cross multiply
    524,576.72x = 723,888.84 × 286,066.64
  4. Step 4: Simplify right side
    524,576.72x = 207,080,448,192.30
  5. Step 5: Solve for x
    x = 207,080,448,192.30/524,576.72
  6. Step 6: Final answer
    x = 394,757.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.