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Finding the Fourth Proportional to 602,202.75, 903,305.72 and 203,123.55

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Solution

The fourth proportional to 602,202.75, 903,305.72 and 203,123.55 is: 304,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,202.75 : 903,305.72 = 203,123.55 : x
  2. Step 2: Convert to fraction form
    602,202.75/903,305.72 = 203,123.55/x
  3. Step 3: Cross multiply
    602,202.75x = 903,305.72 × 203,123.55
  4. Step 4: Simplify right side
    602,202.75x = 183,482,664,581.71
  5. Step 5: Solve for x
    x = 183,482,664,581.71/602,202.75
  6. Step 6: Final answer
    x = 304,685.86

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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.