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Finding the Fourth Proportional to 576,542.89, 864,064.21 and 234,587.81

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Solution

The fourth proportional to 576,542.89, 864,064.21 and 234,587.81 is: 351,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,542.89 : 864,064.21 = 234,587.81 : x
  2. Step 2: Convert to fraction form
    576,542.89/864,064.21 = 234,587.81/x
  3. Step 3: Cross multiply
    576,542.89x = 864,064.21 × 234,587.81
  4. Step 4: Simplify right side
    576,542.89x = 202,698,925,816.49
  5. Step 5: Solve for x
    x = 202,698,925,816.49/576,542.89
  6. Step 6: Final answer
    x = 351,576.49

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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.