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Finding the Fourth Proportional to 525,077.10, 788,004.45 and 347,525.10

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Solution

The fourth proportional to 525,077.10, 788,004.45 and 347,525.10 is: 521,544.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,077.10 : 788,004.45 = 347,525.10 : x
  2. Step 2: Convert to fraction form
    525,077.10/788,004.45 = 347,525.10/x
  3. Step 3: Cross multiply
    525,077.10x = 788,004.45 × 347,525.10
  4. Step 4: Simplify right side
    525,077.10x = 273,851,325,286.70
  5. Step 5: Solve for x
    x = 273,851,325,286.70/525,077.10
  6. Step 6: Final answer
    x = 521,544.98

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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.