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Finding the Fourth Proportional to 283,051.25, 424,580.28 and 112,314.89

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Solution

The fourth proportional to 283,051.25, 424,580.28 and 112,314.89 is: 168,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,051.25 : 424,580.28 = 112,314.89 : x
  2. Step 2: Convert to fraction form
    283,051.25/424,580.28 = 112,314.89/x
  3. Step 3: Cross multiply
    283,051.25x = 424,580.28 × 112,314.89
  4. Step 4: Simplify right side
    283,051.25x = 47,686,685,321.47
  5. Step 5: Solve for x
    x = 47,686,685,321.47/283,051.25
  6. Step 6: Final answer
    x = 168,473.68

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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.