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Finding the Fourth Proportional to 567,705.25, 783,397.49 and 325,817.58

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Solution

The fourth proportional to 567,705.25, 783,397.49 and 325,817.58 is: 449,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,705.25 : 783,397.49 = 325,817.58 : x
  2. Step 2: Convert to fraction form
    567,705.25/783,397.49 = 325,817.58/x
  3. Step 3: Cross multiply
    567,705.25x = 783,397.49 × 325,817.58
  4. Step 4: Simplify right side
    567,705.25x = 255,244,675,184.42
  5. Step 5: Solve for x
    x = 255,244,675,184.42/567,705.25
  6. Step 6: Final answer
    x = 449,607.74

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1.5x scale

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.