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Finding the Fourth Proportional to 880,772.95, 1,215,392.47 and 488,316.41

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Solution

The fourth proportional to 880,772.95, 1,215,392.47 and 488,316.41 is: 673,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,772.95 : 1,215,392.47 = 488,316.41 : x
  2. Step 2: Convert to fraction form
    880,772.95/1,215,392.47 = 488,316.41/x
  3. Step 3: Cross multiply
    880,772.95x = 1,215,392.47 × 488,316.41
  4. Step 4: Simplify right side
    880,772.95x = 593,496,080,393.68
  5. Step 5: Solve for x
    x = 593,496,080,393.68/880,772.95
  6. Step 6: Final answer
    x = 673,835.50

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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.