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Finding the Fourth Proportional to 586,422.40, 881,512.80 and 544,820.80

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Solution

The fourth proportional to 586,422.40, 881,512.80 and 544,820.80 is: 818,977.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,422.40 : 881,512.80 = 544,820.80 : x
  2. Step 2: Convert to fraction form
    586,422.40/881,512.80 = 544,820.80/x
  3. Step 3: Cross multiply
    586,422.40x = 881,512.80 × 544,820.80
  4. Step 4: Simplify right side
    586,422.40x = 480,266,508,906.24
  5. Step 5: Solve for x
    x = 480,266,508,906.24/586,422.40
  6. Step 6: Final answer
    x = 818,977.09

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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.