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Finding the Fourth Proportional to 524,879.90, 787,444.79 and 169,893.89

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Solution

The fourth proportional to 524,879.90, 787,444.79 and 169,893.89 is: 254,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,879.90 : 787,444.79 = 169,893.89 : x
  2. Step 2: Convert to fraction form
    524,879.90/787,444.79 = 169,893.89/x
  3. Step 3: Cross multiply
    524,879.90x = 787,444.79 × 169,893.89
  4. Step 4: Simplify right side
    524,879.90x = 133,782,053,746.64
  5. Step 5: Solve for x
    x = 133,782,053,746.64/524,879.90
  6. Step 6: Final answer
    x = 254,881.27

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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.