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Finding the Fourth Proportional to 570,595.68, 855,903.24 and 215,776.80

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Solution

The fourth proportional to 570,595.68, 855,903.24 and 215,776.80 is: 323,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,595.68 : 855,903.24 = 215,776.80 : x
  2. Step 2: Convert to fraction form
    570,595.68/855,903.24 = 215,776.80/x
  3. Step 3: Cross multiply
    570,595.68x = 855,903.24 × 215,776.80
  4. Step 4: Simplify right side
    570,595.68x = 184,684,062,236.83
  5. Step 5: Solve for x
    x = 184,684,062,236.83/570,595.68
  6. Step 6: Final answer
    x = 323,668.88

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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.