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Finding the Fourth Proportional to 437,151.84, 603,253.28 and 243,555

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Solution

The fourth proportional to 437,151.84, 603,253.28 and 243,555 is: 336,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,151.84 : 603,253.28 = 243,555 : x
  2. Step 2: Convert to fraction form
    437,151.84/603,253.28 = 243,555/x
  3. Step 3: Cross multiply
    437,151.84x = 603,253.28 × 243,555
  4. Step 4: Simplify right side
    437,151.84x = 146,925,352,610.40
  5. Step 5: Solve for x
    x = 146,925,352,610.40/437,151.84
  6. Step 6: Final answer
    x = 336,096.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.