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Finding the Fourth Proportional to 706,000.88, 974,287.58 and 383,711.72

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Solution

The fourth proportional to 706,000.88, 974,287.58 and 383,711.72 is: 529,525.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,000.88 : 974,287.58 = 383,711.72 : x
  2. Step 2: Convert to fraction form
    706,000.88/974,287.58 = 383,711.72/x
  3. Step 3: Cross multiply
    706,000.88x = 974,287.58 × 383,711.72
  4. Step 4: Simplify right side
    706,000.88x = 373,845,563,096.44
  5. Step 5: Solve for x
    x = 373,845,563,096.44/706,000.88
  6. Step 6: Final answer
    x = 529,525.63

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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.