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Finding the Fourth Proportional to 706,040.24, 974,341.32 and 383,750.42

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Solution

The fourth proportional to 706,040.24, 974,341.32 and 383,750.42 is: 529,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,040.24 : 974,341.32 = 383,750.42 : x
  2. Step 2: Convert to fraction form
    706,040.24/974,341.32 = 383,750.42/x
  3. Step 3: Cross multiply
    706,040.24x = 974,341.32 × 383,750.42
  4. Step 4: Simplify right side
    706,040.24x = 373,903,890,773.35
  5. Step 5: Solve for x
    x = 373,903,890,773.35/706,040.24
  6. Step 6: Final answer
    x = 529,578.73

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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.