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Finding the Fourth Proportional to 515,754.60, 773,826.30 and 249,750.60

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Solution

The fourth proportional to 515,754.60, 773,826.30 and 249,750.60 is: 374,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,754.60 : 773,826.30 = 249,750.60 : x
  2. Step 2: Convert to fraction form
    515,754.60/773,826.30 = 249,750.60/x
  3. Step 3: Cross multiply
    515,754.60x = 773,826.30 × 249,750.60
  4. Step 4: Simplify right side
    515,754.60x = 193,263,582,720.78
  5. Step 5: Solve for x
    x = 193,263,582,720.78/515,754.60
  6. Step 6: Final answer
    x = 374,720.04

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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.