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Finding the Fourth Proportional to 624,471.40, 935,952.76 and 304,143.16

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Solution

The fourth proportional to 624,471.40, 935,952.76 and 304,143.16 is: 455,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,471.40 : 935,952.76 = 304,143.16 : x
  2. Step 2: Convert to fraction form
    624,471.40/935,952.76 = 304,143.16/x
  3. Step 3: Cross multiply
    624,471.40x = 935,952.76 × 304,143.16
  4. Step 4: Simplify right side
    624,471.40x = 284,663,630,037.12
  5. Step 5: Solve for x
    x = 284,663,630,037.12/624,471.40
  6. Step 6: Final answer
    x = 455,847.35

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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.