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Finding the Fourth Proportional to 888,905.06, 1,225,411.53 and 633,813.86

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Solution

The fourth proportional to 888,905.06, 1,225,411.53 and 633,813.86 is: 873,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,905.06 : 1,225,411.53 = 633,813.86 : x
  2. Step 2: Convert to fraction form
    888,905.06/1,225,411.53 = 633,813.86/x
  3. Step 3: Cross multiply
    888,905.06x = 1,225,411.53 × 633,813.86
  4. Step 4: Simplify right side
    888,905.06x = 776,682,811,917.81
  5. Step 5: Solve for x
    x = 776,682,811,917.81/888,905.06
  6. Step 6: Final answer
    x = 873,752.27

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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.