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Finding the Fourth Proportional to 497,510.80, 745,828.80 and 297,910.60

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Solution

The fourth proportional to 497,510.80, 745,828.80 and 297,910.60 is: 446,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,510.80 : 745,828.80 = 297,910.60 : x
  2. Step 2: Convert to fraction form
    497,510.80/745,828.80 = 297,910.60/x
  3. Step 3: Cross multiply
    497,510.80x = 745,828.80 × 297,910.60
  4. Step 4: Simplify right side
    497,510.80x = 222,190,305,305.28
  5. Step 5: Solve for x
    x = 222,190,305,305.28/497,510.80
  6. Step 6: Final answer
    x = 446,603.98

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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.