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Finding the Fourth Proportional to 604,828.80, 907,352.55 and 304,553.70

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Solution

The fourth proportional to 604,828.80, 907,352.55 and 304,553.70 is: 456,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,828.80 : 907,352.55 = 304,553.70 : x
  2. Step 2: Convert to fraction form
    604,828.80/907,352.55 = 304,553.70/x
  3. Step 3: Cross multiply
    604,828.80x = 907,352.55 × 304,553.70
  4. Step 4: Simplify right side
    604,828.80x = 276,337,576,306.94
  5. Step 5: Solve for x
    x = 276,337,576,306.94/604,828.80
  6. Step 6: Final answer
    x = 456,885.61

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1.5x scale

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.