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Finding the Fourth Proportional to 560,627.24, 773,422.88 and 342,845.44

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Solution

The fourth proportional to 560,627.24, 773,422.88 and 342,845.44 is: 472,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,627.24 : 773,422.88 = 342,845.44 : x
  2. Step 2: Convert to fraction form
    560,627.24/773,422.88 = 342,845.44/x
  3. Step 3: Cross multiply
    560,627.24x = 773,422.88 × 342,845.44
  4. Step 4: Simplify right side
    560,627.24x = 265,164,507,599.67
  5. Step 5: Solve for x
    x = 265,164,507,599.67/560,627.24
  6. Step 6: Final answer
    x = 472,978.28

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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.