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Finding the Fourth Proportional to 519,153.52, 778,826.40 and 164,256.88

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Solution

The fourth proportional to 519,153.52, 778,826.40 and 164,256.88 is: 246,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,153.52 : 778,826.40 = 164,256.88 : x
  2. Step 2: Convert to fraction form
    519,153.52/778,826.40 = 164,256.88/x
  3. Step 3: Cross multiply
    519,153.52x = 778,826.40 × 164,256.88
  4. Step 4: Simplify right side
    519,153.52x = 127,927,594,525.63
  5. Step 5: Solve for x
    x = 127,927,594,525.63/519,153.52
  6. Step 6: Final answer
    x = 246,415.73

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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.