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Finding the Fourth Proportional to 567,652.60, 783,725.70 and 353,084.68

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Solution

The fourth proportional to 567,652.60, 783,725.70 and 353,084.68 is: 487,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,652.60 : 783,725.70 = 353,084.68 : x
  2. Step 2: Convert to fraction form
    567,652.60/783,725.70 = 353,084.68/x
  3. Step 3: Cross multiply
    567,652.60x = 783,725.70 × 353,084.68
  4. Step 4: Simplify right side
    567,652.60x = 276,721,537,992.28
  5. Step 5: Solve for x
    x = 276,721,537,992.28/567,652.60
  6. Step 6: Final answer
    x = 487,483.96

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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.