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Finding the Fourth Proportional to 570,134.48, 855,339.96 and 170,774.48

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Solution

The fourth proportional to 570,134.48, 855,339.96 and 170,774.48 is: 256,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,134.48 : 855,339.96 = 170,774.48 : x
  2. Step 2: Convert to fraction form
    570,134.48/855,339.96 = 170,774.48/x
  3. Step 3: Cross multiply
    570,134.48x = 855,339.96 × 170,774.48
  4. Step 4: Simplify right side
    570,134.48x = 146,070,236,892.22
  5. Step 5: Solve for x
    x = 146,070,236,892.22/570,134.48
  6. Step 6: Final answer
    x = 256,203.13

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1.5x scale

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.