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Finding the Fourth Proportional to 706,012.52, 974,293.84 and 383,722.64

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Solution

The fourth proportional to 706,012.52, 974,293.84 and 383,722.64 is: 529,535.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,012.52 : 974,293.84 = 383,722.64 : x
  2. Step 2: Convert to fraction form
    706,012.52/974,293.84 = 383,722.64/x
  3. Step 3: Cross multiply
    706,012.52x = 974,293.84 × 383,722.64
  4. Step 4: Simplify right side
    706,012.52x = 373,858,606,422.53
  5. Step 5: Solve for x
    x = 373,858,606,422.53/706,012.52
  6. Step 6: Final answer
    x = 529,535.38

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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.