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Finding the Fourth Proportional to 668,050.68, 921,906.59 and 362,125.83

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Solution

The fourth proportional to 668,050.68, 921,906.59 and 362,125.83 is: 499,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,050.68 : 921,906.59 = 362,125.83 : x
  2. Step 2: Convert to fraction form
    668,050.68/921,906.59 = 362,125.83/x
  3. Step 3: Cross multiply
    668,050.68x = 921,906.59 × 362,125.83
  4. Step 4: Simplify right side
    668,050.68x = 333,846,187,275.59
  5. Step 5: Solve for x
    x = 333,846,187,275.59/668,050.68
  6. Step 6: Final answer
    x = 499,731.83

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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.