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Finding the Fourth Proportional to 570,781.89, 856,104.75 and 150,090.57

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Solution

The fourth proportional to 570,781.89, 856,104.75 and 150,090.57 is: 225,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,781.89 : 856,104.75 = 150,090.57 : x
  2. Step 2: Convert to fraction form
    570,781.89/856,104.75 = 150,090.57/x
  3. Step 3: Cross multiply
    570,781.89x = 856,104.75 × 150,090.57
  4. Step 4: Simplify right side
    570,781.89x = 128,493,249,907.21
  5. Step 5: Solve for x
    x = 128,493,249,907.21/570,781.89
  6. Step 6: Final answer
    x = 225,117.95

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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.