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Finding the Fourth Proportional to 423,473.87, 584,440.41 and 242,202.76

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Solution

The fourth proportional to 423,473.87, 584,440.41 and 242,202.76 is: 334,266.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,473.87 : 584,440.41 = 242,202.76 : x
  2. Step 2: Convert to fraction form
    423,473.87/584,440.41 = 242,202.76/x
  3. Step 3: Cross multiply
    423,473.87x = 584,440.41 × 242,202.76
  4. Step 4: Simplify right side
    423,473.87x = 141,553,079,804.69
  5. Step 5: Solve for x
    x = 141,553,079,804.69/423,473.87
  6. Step 6: Final answer
    x = 334,266.38

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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.