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Finding the Fourth Proportional to 706,064.95, 974,370.87 and 383,774.17

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Solution

The fourth proportional to 706,064.95, 974,370.87 and 383,774.17 is: 529,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,064.95 : 974,370.87 = 383,774.17 : x
  2. Step 2: Convert to fraction form
    706,064.95/974,370.87 = 383,774.17/x
  3. Step 3: Cross multiply
    706,064.95x = 974,370.87 × 383,774.17
  4. Step 4: Simplify right side
    706,064.95x = 373,938,371,906.43
  5. Step 5: Solve for x
    x = 373,938,371,906.43/706,064.95
  6. Step 6: Final answer
    x = 529,609.03

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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.