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Finding the Fourth Proportional to 570,934.50, 856,368.81 and 171,566.70

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Solution

The fourth proportional to 570,934.50, 856,368.81 and 171,566.70 is: 257,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,934.50 : 856,368.81 = 171,566.70 : x
  2. Step 2: Convert to fraction form
    570,934.50/856,368.81 = 171,566.70/x
  3. Step 3: Cross multiply
    570,934.50x = 856,368.81 × 171,566.70
  4. Step 4: Simplify right side
    570,934.50x = 146,924,370,714.63
  5. Step 5: Solve for x
    x = 146,924,370,714.63/570,934.50
  6. Step 6: Final answer
    x = 257,340.15

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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.