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Finding the Fourth Proportional to 437,320.48, 603,533.12 and 243,740.48

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Solution

The fourth proportional to 437,320.48, 603,533.12 and 243,740.48 is: 336,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,320.48 : 603,533.12 = 243,740.48 : x
  2. Step 2: Convert to fraction form
    437,320.48/603,533.12 = 243,740.48/x
  3. Step 3: Cross multiply
    437,320.48x = 603,533.12 × 243,740.48
  4. Step 4: Simplify right side
    437,320.48x = 147,105,452,364.70
  5. Step 5: Solve for x
    x = 147,105,452,364.70/437,320.48
  6. Step 6: Final answer
    x = 336,379.06

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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.