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Finding the Fourth Proportional to 584,010.75, 805,204.62 and 487,353.86

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Solution

The fourth proportional to 584,010.75, 805,204.62 and 487,353.86 is: 671,938.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,010.75 : 805,204.62 = 487,353.86 : x
  2. Step 2: Convert to fraction form
    584,010.75/805,204.62 = 487,353.86/x
  3. Step 3: Cross multiply
    584,010.75x = 805,204.62 × 487,353.86
  4. Step 4: Simplify right side
    584,010.75x = 392,419,575,620.81
  5. Step 5: Solve for x
    x = 392,419,575,620.81/584,010.75
  6. Step 6: Final answer
    x = 671,938.96

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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.