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Finding the Fourth Proportional to 395,000.40, 592,500.60 and 173,384.40

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Solution

The fourth proportional to 395,000.40, 592,500.60 and 173,384.40 is: 260,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,000.40 : 592,500.60 = 173,384.40 : x
  2. Step 2: Convert to fraction form
    395,000.40/592,500.60 = 173,384.40/x
  3. Step 3: Cross multiply
    395,000.40x = 592,500.60 × 173,384.40
  4. Step 4: Simplify right side
    395,000.40x = 102,730,361,030.64
  5. Step 5: Solve for x
    x = 102,730,361,030.64/395,000.40
  6. Step 6: Final answer
    x = 260,076.60

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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.