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Finding the Fourth Proportional to 255,594.17, 383,391.72 and 255,225.21

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Solution

The fourth proportional to 255,594.17, 383,391.72 and 255,225.21 is: 382,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,594.17 : 383,391.72 = 255,225.21 : x
  2. Step 2: Convert to fraction form
    255,594.17/383,391.72 = 255,225.21/x
  3. Step 3: Cross multiply
    255,594.17x = 383,391.72 × 255,225.21
  4. Step 4: Simplify right side
    255,594.17x = 97,851,232,249.26
  5. Step 5: Solve for x
    x = 97,851,232,249.26/255,594.17
  6. Step 6: Final answer
    x = 382,838.29

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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.