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Finding the Fourth Proportional to 634,515.57, 949,903.47 and 555,783.57

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Solution

The fourth proportional to 634,515.57, 949,903.47 and 555,783.57 is: 832,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,515.57 : 949,903.47 = 555,783.57 : x
  2. Step 2: Convert to fraction form
    634,515.57/949,903.47 = 555,783.57/x
  3. Step 3: Cross multiply
    634,515.57x = 949,903.47 × 555,783.57
  4. Step 4: Simplify right side
    634,515.57x = 527,940,741,711.99
  5. Step 5: Solve for x
    x = 527,940,741,711.99/634,515.57
  6. Step 6: Final answer
    x = 832,037.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.