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Finding the Fourth Proportional to 572,689.00, 857,725.66 and 273,379.77

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Solution

The fourth proportional to 572,689.00, 857,725.66 and 273,379.77 is: 409,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,689.00 : 857,725.66 = 273,379.77 : x
  2. Step 2: Convert to fraction form
    572,689.00/857,725.66 = 273,379.77/x
  3. Step 3: Cross multiply
    572,689.00x = 857,725.66 × 273,379.77
  4. Step 4: Simplify right side
    572,689.00x = 234,484,844,240.69
  5. Step 5: Solve for x
    x = 234,484,844,240.69/572,689.00
  6. Step 6: Final answer
    x = 409,445.34

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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.