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Finding the Fourth Proportional to 488,423.85, 732,635.78 and 362,452.65

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Solution

The fourth proportional to 488,423.85, 732,635.78 and 362,452.65 is: 543,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,423.85 : 732,635.78 = 362,452.65 : x
  2. Step 2: Convert to fraction form
    488,423.85/732,635.78 = 362,452.65/x
  3. Step 3: Cross multiply
    488,423.85x = 732,635.78 × 362,452.65
  4. Step 4: Simplify right side
    488,423.85x = 265,545,778,133.55
  5. Step 5: Solve for x
    x = 265,545,778,133.55/488,423.85
  6. Step 6: Final answer
    x = 543,678.98

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Similar ratio
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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.