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Finding the Fourth Proportional to 547,479.85, 755,088.47 and 332,613.85

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Solution

The fourth proportional to 547,479.85, 755,088.47 and 332,613.85 is: 458,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,479.85 : 755,088.47 = 332,613.85 : x
  2. Step 2: Convert to fraction form
    547,479.85/755,088.47 = 332,613.85/x
  3. Step 3: Cross multiply
    547,479.85x = 755,088.47 × 332,613.85
  4. Step 4: Simplify right side
    547,479.85x = 251,152,881,434.24
  5. Step 5: Solve for x
    x = 251,152,881,434.24/547,479.85
  6. Step 6: Final answer
    x = 458,743.61

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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.