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Finding the Fourth Proportional to 433,057.70, 648,808.95 and 370,849.70

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Solution

The fourth proportional to 433,057.70, 648,808.95 and 370,849.70 is: 555,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,057.70 : 648,808.95 = 370,849.70 : x
  2. Step 2: Convert to fraction form
    433,057.70/648,808.95 = 370,849.70/x
  3. Step 3: Cross multiply
    433,057.70x = 648,808.95 × 370,849.70
  4. Step 4: Simplify right side
    433,057.70x = 240,610,604,464.82
  5. Step 5: Solve for x
    x = 240,610,604,464.82/433,057.70
  6. Step 6: Final answer
    x = 555,608.65

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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.