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Finding the Fourth Proportional to 706,037.46, 974,337.62 and 383,747.48

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Solution

The fourth proportional to 706,037.46, 974,337.62 and 383,747.48 is: 529,574.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,037.46 : 974,337.62 = 383,747.48 : x
  2. Step 2: Convert to fraction form
    706,037.46/974,337.62 = 383,747.48/x
  3. Step 3: Cross multiply
    706,037.46x = 974,337.62 × 383,747.48
  4. Step 4: Simplify right side
    706,037.46x = 373,899,606,344.20
  5. Step 5: Solve for x
    x = 373,899,606,344.20/706,037.46
  6. Step 6: Final answer
    x = 529,574.74

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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.