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Finding the Fourth Proportional to 356,877.30, 492,444.99 and 203,925.24

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Solution

The fourth proportional to 356,877.30, 492,444.99 and 203,925.24 is: 281,390.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,877.30 : 492,444.99 = 203,925.24 : x
  2. Step 2: Convert to fraction form
    356,877.30/492,444.99 = 203,925.24/x
  3. Step 3: Cross multiply
    356,877.30x = 492,444.99 × 203,925.24
  4. Step 4: Simplify right side
    356,877.30x = 100,421,962,772.55
  5. Step 5: Solve for x
    x = 100,421,962,772.55/356,877.30
  6. Step 6: Final answer
    x = 281,390.73

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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.