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Finding the Fourth Proportional to 570,865.08, 856,015.38 and 334,267.32

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Solution

The fourth proportional to 570,865.08, 856,015.38 and 334,267.32 is: 501,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,865.08 : 856,015.38 = 334,267.32 : x
  2. Step 2: Convert to fraction form
    570,865.08/856,015.38 = 334,267.32/x
  3. Step 3: Cross multiply
    570,865.08x = 856,015.38 × 334,267.32
  4. Step 4: Simplify right side
    570,865.08x = 286,137,966,951.38
  5. Step 5: Solve for x
    x = 286,137,966,951.38/570,865.08
  6. Step 6: Final answer
    x = 501,235.72

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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.