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Finding the Fourth Proportional to 524,574.72, 723,886.08 and 286,064.64

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Solution

The fourth proportional to 524,574.72, 723,886.08 and 286,064.64 is: 394,754.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,574.72 : 723,886.08 = 286,064.64 : x
  2. Step 2: Convert to fraction form
    524,574.72/723,886.08 = 286,064.64/x
  3. Step 3: Cross multiply
    524,574.72x = 723,886.08 × 286,064.64
  4. Step 4: Simplify right side
    524,574.72x = 207,078,210,876.21
  5. Step 5: Solve for x
    x = 207,078,210,876.21/524,574.72
  6. Step 6: Final answer
    x = 394,754.46

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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.