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Finding the Fourth Proportional to 570,393.44, 857,141.04 and 304,341.92

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Solution

The fourth proportional to 570,393.44, 857,141.04 and 304,341.92 is: 457,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,393.44 : 857,141.04 = 304,341.92 : x
  2. Step 2: Convert to fraction form
    570,393.44/857,141.04 = 304,341.92/x
  3. Step 3: Cross multiply
    570,393.44x = 857,141.04 × 304,341.92
  4. Step 4: Simplify right side
    570,393.44x = 260,863,949,824.40
  5. Step 5: Solve for x
    x = 260,863,949,824.40/570,393.44
  6. Step 6: Final answer
    x = 457,340.38

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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.