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Finding the Fourth Proportional to 571,612.52, 856,671.32 and 234,258.20

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Solution

The fourth proportional to 571,612.52, 856,671.32 and 234,258.20 is: 351,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,612.52 : 856,671.32 = 234,258.20 : x
  2. Step 2: Convert to fraction form
    571,612.52/856,671.32 = 234,258.20/x
  3. Step 3: Cross multiply
    571,612.52x = 856,671.32 × 234,258.20
  4. Step 4: Simplify right side
    571,612.52x = 200,682,280,929.63
  5. Step 5: Solve for x
    x = 200,682,280,929.63/571,612.52
  6. Step 6: Final answer
    x = 351,080.98

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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.