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Finding the Fourth Proportional to 620,048.26, 929,710.40 and 240,525.52

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Solution

The fourth proportional to 620,048.26, 929,710.40 and 240,525.52 is: 360,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,048.26 : 929,710.40 = 240,525.52 : x
  2. Step 2: Convert to fraction form
    620,048.26/929,710.40 = 240,525.52/x
  3. Step 3: Cross multiply
    620,048.26x = 929,710.40 × 240,525.52
  4. Step 4: Simplify right side
    620,048.26x = 223,619,073,882.50
  5. Step 5: Solve for x
    x = 223,619,073,882.50/620,048.26
  6. Step 6: Final answer
    x = 360,647.85

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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.