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Finding the Fourth Proportional to 586,671.28, 880,259.76 and 316,745.80

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Solution

The fourth proportional to 586,671.28, 880,259.76 and 316,745.80 is: 475,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,671.28 : 880,259.76 = 316,745.80 : x
  2. Step 2: Convert to fraction form
    586,671.28/880,259.76 = 316,745.80/x
  3. Step 3: Cross multiply
    586,671.28x = 880,259.76 × 316,745.80
  4. Step 4: Simplify right side
    586,671.28x = 278,818,581,889.01
  5. Step 5: Solve for x
    x = 278,818,581,889.01/586,671.28
  6. Step 6: Final answer
    x = 475,255.21

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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.