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Finding the Fourth Proportional to 433,796.78, 598,639.47 and 242,810.21

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Solution

The fourth proportional to 433,796.78, 598,639.47 and 242,810.21 is: 335,078.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,796.78 : 598,639.47 = 242,810.21 : x
  2. Step 2: Convert to fraction form
    433,796.78/598,639.47 = 242,810.21/x
  3. Step 3: Cross multiply
    433,796.78x = 598,639.47 × 242,810.21
  4. Step 4: Simplify right side
    433,796.78x = 145,355,776,011.05
  5. Step 5: Solve for x
    x = 145,355,776,011.05/433,796.78
  6. Step 6: Final answer
    x = 335,078.04

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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.