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Finding the Fourth Proportional to 255,871.80, 383,807.70 and 224,767.80

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Solution

The fourth proportional to 255,871.80, 383,807.70 and 224,767.80 is: 337,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,871.80 : 383,807.70 = 224,767.80 : x
  2. Step 2: Convert to fraction form
    255,871.80/383,807.70 = 224,767.80/x
  3. Step 3: Cross multiply
    255,871.80x = 383,807.70 × 224,767.80
  4. Step 4: Simplify right side
    255,871.80x = 86,267,612,352.06
  5. Step 5: Solve for x
    x = 86,267,612,352.06/255,871.80
  6. Step 6: Final answer
    x = 337,151.70

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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.