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Finding the Fourth Proportional to 383,457.69, 529,211.16 and 230,545.89

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Solution

The fourth proportional to 383,457.69, 529,211.16 and 230,545.89 is: 318,177.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,457.69 : 529,211.16 = 230,545.89 : x
  2. Step 2: Convert to fraction form
    383,457.69/529,211.16 = 230,545.89/x
  3. Step 3: Cross multiply
    383,457.69x = 529,211.16 × 230,545.89
  4. Step 4: Simplify right side
    383,457.69x = 122,007,457,880.13
  5. Step 5: Solve for x
    x = 122,007,457,880.13/383,457.69
  6. Step 6: Final answer
    x = 318,177.11

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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.