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Finding the Fourth Proportional to 484,595.45, 726,893 and 129,600.24

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Solution

The fourth proportional to 484,595.45, 726,893 and 129,600.24 is: 194,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,595.45 : 726,893 = 129,600.24 : x
  2. Step 2: Convert to fraction form
    484,595.45/726,893 = 129,600.24/x
  3. Step 3: Cross multiply
    484,595.45x = 726,893 × 129,600.24
  4. Step 4: Simplify right side
    484,595.45x = 94,205,507,254.32
  5. Step 5: Solve for x
    x = 94,205,507,254.32/484,595.45
  6. Step 6: Final answer
    x = 194,400.31

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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.