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Finding the Fourth Proportional to 570,929.60, 856,192.80 and 196,865.60

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Solution

The fourth proportional to 570,929.60, 856,192.80 and 196,865.60 is: 295,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,929.60 : 856,192.80 = 196,865.60 : x
  2. Step 2: Convert to fraction form
    570,929.60/856,192.80 = 196,865.60/x
  3. Step 3: Cross multiply
    570,929.60x = 856,192.80 × 196,865.60
  4. Step 4: Simplify right side
    570,929.60x = 168,554,909,287.68
  5. Step 5: Solve for x
    x = 168,554,909,287.68/570,929.60
  6. Step 6: Final answer
    x = 295,228.89

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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.