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Finding the Fourth Proportional to 245,542.40, 367,924.80 and 156,636.80

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Solution

The fourth proportional to 245,542.40, 367,924.80 and 156,636.80 is: 234,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,542.40 : 367,924.80 = 156,636.80 : x
  2. Step 2: Convert to fraction form
    245,542.40/367,924.80 = 156,636.80/x
  3. Step 3: Cross multiply
    245,542.40x = 367,924.80 × 156,636.80
  4. Step 4: Simplify right side
    245,542.40x = 57,630,563,312.64
  5. Step 5: Solve for x
    x = 57,630,563,312.64/245,542.40
  6. Step 6: Final answer
    x = 234,707.18

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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.