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Finding the Fourth Proportional to 255,592.67, 383,389.47 and 255,223.71

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Solution

The fourth proportional to 255,592.67, 383,389.47 and 255,223.71 is: 382,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,592.67 : 383,389.47 = 255,223.71 : x
  2. Step 2: Convert to fraction form
    255,592.67/383,389.47 = 255,223.71/x
  3. Step 3: Cross multiply
    255,592.67x = 383,389.47 × 255,223.71
  4. Step 4: Simplify right side
    255,592.67x = 97,850,082,908.33
  5. Step 5: Solve for x
    x = 97,850,082,908.33/255,592.67
  6. Step 6: Final answer
    x = 382,836.04

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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.