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Finding the Fourth Proportional to 526,118.64, 788,862.54 and 255,714.24

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Solution

The fourth proportional to 526,118.64, 788,862.54 and 255,714.24 is: 383,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,118.64 : 788,862.54 = 255,714.24 : x
  2. Step 2: Convert to fraction form
    526,118.64/788,862.54 = 255,714.24/x
  3. Step 3: Cross multiply
    526,118.64x = 788,862.54 × 255,714.24
  4. Step 4: Simplify right side
    526,118.64x = 201,723,384,880.57
  5. Step 5: Solve for x
    x = 201,723,384,880.57/526,118.64
  6. Step 6: Final answer
    x = 383,418.05

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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.