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Finding the Fourth Proportional to 395,225.60, 592,723.20 and 158,489.60

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Solution

The fourth proportional to 395,225.60, 592,723.20 and 158,489.60 is: 237,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,225.60 : 592,723.20 = 158,489.60 : x
  2. Step 2: Convert to fraction form
    395,225.60/592,723.20 = 158,489.60/x
  3. Step 3: Cross multiply
    395,225.60x = 592,723.20 × 158,489.60
  4. Step 4: Simplify right side
    395,225.60x = 93,940,462,878.72
  5. Step 5: Solve for x
    x = 93,940,462,878.72/395,225.60
  6. Step 6: Final answer
    x = 237,688.20

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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.