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Finding the Fourth Proportional to 392,006.63, 540,903.57 and 230,893.77

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Solution

The fourth proportional to 392,006.63, 540,903.57 and 230,893.77 is: 318,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,006.63 : 540,903.57 = 230,893.77 : x
  2. Step 2: Convert to fraction form
    392,006.63/540,903.57 = 230,893.77/x
  3. Step 3: Cross multiply
    392,006.63x = 540,903.57 × 230,893.77
  4. Step 4: Simplify right side
    392,006.63x = 124,891,264,483.76
  5. Step 5: Solve for x
    x = 124,891,264,483.76/392,006.63
  6. Step 6: Final answer
    x = 318,594.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.