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Finding the Fourth Proportional to 568,543.51, 784,658.86 and 323,587.85

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Solution

The fourth proportional to 568,543.51, 784,658.86 and 323,587.85 is: 446,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,543.51 : 784,658.86 = 323,587.85 : x
  2. Step 2: Convert to fraction form
    568,543.51/784,658.86 = 323,587.85/x
  3. Step 3: Cross multiply
    568,543.51x = 784,658.86 × 323,587.85
  4. Step 4: Simplify right side
    568,543.51x = 253,906,073,490.85
  5. Step 5: Solve for x
    x = 253,906,073,490.85/568,543.51
  6. Step 6: Final answer
    x = 446,590.40

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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.