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Finding the Fourth Proportional to 243,628.40, 365,442.60 and 176,754.80

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Solution

The fourth proportional to 243,628.40, 365,442.60 and 176,754.80 is: 265,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,628.40 : 365,442.60 = 176,754.80 : x
  2. Step 2: Convert to fraction form
    243,628.40/365,442.60 = 176,754.80/x
  3. Step 3: Cross multiply
    243,628.40x = 365,442.60 × 176,754.80
  4. Step 4: Simplify right side
    243,628.40x = 64,593,733,674.48
  5. Step 5: Solve for x
    x = 64,593,733,674.48/243,628.40
  6. Step 6: Final answer
    x = 265,132.20

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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.