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Finding the Fourth Proportional to 836,671.86, 1,154,606.67 and 454,698.72

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Solution

The fourth proportional to 836,671.86, 1,154,606.67 and 454,698.72 is: 627,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,671.86 : 1,154,606.67 = 454,698.72 : x
  2. Step 2: Convert to fraction form
    836,671.86/1,154,606.67 = 454,698.72/x
  3. Step 3: Cross multiply
    836,671.86x = 1,154,606.67 × 454,698.72
  4. Step 4: Simplify right side
    836,671.86x = 524,998,174,952.46
  5. Step 5: Solve for x
    x = 524,998,174,952.46/836,671.86
  6. Step 6: Final answer
    x = 627,483.96

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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.