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Finding the Fourth Proportional to 706,316.75, 974,712.18 and 384,026.93

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Solution

The fourth proportional to 706,316.75, 974,712.18 and 384,026.93 is: 529,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,316.75 : 974,712.18 = 384,026.93 : x
  2. Step 2: Convert to fraction form
    706,316.75/974,712.18 = 384,026.93/x
  3. Step 3: Cross multiply
    706,316.75x = 974,712.18 × 384,026.93
  4. Step 4: Simplify right side
    706,316.75x = 374,315,726,119.01
  5. Step 5: Solve for x
    x = 374,315,726,119.01/706,316.75
  6. Step 6: Final answer
    x = 529,954.48

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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.