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Finding the Fourth Proportional to 656,751.58, 983,701.73 and 403,262.62

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Solution

The fourth proportional to 656,751.58, 983,701.73 and 403,262.62 is: 604,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,751.58 : 983,701.73 = 403,262.62 : x
  2. Step 2: Convert to fraction form
    656,751.58/983,701.73 = 403,262.62/x
  3. Step 3: Cross multiply
    656,751.58x = 983,701.73 × 403,262.62
  4. Step 4: Simplify right side
    656,751.58x = 396,690,136,938.33
  5. Step 5: Solve for x
    x = 396,690,136,938.33/656,751.58
  6. Step 6: Final answer
    x = 604,018.55

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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.