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Finding the Fourth Proportional to 739,368.72, 1,020,590.28 and 437,562

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Solution

The fourth proportional to 739,368.72, 1,020,590.28 and 437,562 is: 603,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,368.72 : 1,020,590.28 = 437,562 : x
  2. Step 2: Convert to fraction form
    739,368.72/1,020,590.28 = 437,562/x
  3. Step 3: Cross multiply
    739,368.72x = 1,020,590.28 × 437,562
  4. Step 4: Simplify right side
    739,368.72x = 446,571,524,097.36
  5. Step 5: Solve for x
    x = 446,571,524,097.36/739,368.72
  6. Step 6: Final answer
    x = 603,990.29

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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.