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Finding the Fourth Proportional to 434,908.20, 652,362.30 and 372,700.20

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Solution

The fourth proportional to 434,908.20, 652,362.30 and 372,700.20 is: 559,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,908.20 : 652,362.30 = 372,700.20 : x
  2. Step 2: Convert to fraction form
    434,908.20/652,362.30 = 372,700.20/x
  3. Step 3: Cross multiply
    434,908.20x = 652,362.30 × 372,700.20
  4. Step 4: Simplify right side
    434,908.20x = 243,135,559,682.46
  5. Step 5: Solve for x
    x = 243,135,559,682.46/434,908.20
  6. Step 6: Final answer
    x = 559,050.30

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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.