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Finding the Fourth Proportional to 706,188.40, 974,546.34 and 383,899.12

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Solution

The fourth proportional to 706,188.40, 974,546.34 and 383,899.12 is: 529,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,188.40 : 974,546.34 = 383,899.12 : x
  2. Step 2: Convert to fraction form
    706,188.40/974,546.34 = 383,899.12/x
  3. Step 3: Cross multiply
    706,188.40x = 974,546.34 × 383,899.12
  4. Step 4: Simplify right side
    706,188.40x = 374,127,482,325.22
  5. Step 5: Solve for x
    x = 374,127,482,325.22/706,188.40
  6. Step 6: Final answer
    x = 529,784.24

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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.