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Finding the Fourth Proportional to 506,887.20, 760,422.60 and 240,645.60

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Solution

The fourth proportional to 506,887.20, 760,422.60 and 240,645.60 is: 361,011.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,887.20 : 760,422.60 = 240,645.60 : x
  2. Step 2: Convert to fraction form
    506,887.20/760,422.60 = 240,645.60/x
  3. Step 3: Cross multiply
    506,887.20x = 760,422.60 × 240,645.60
  4. Step 4: Simplify right side
    506,887.20x = 182,992,352,830.56
  5. Step 5: Solve for x
    x = 182,992,352,830.56/506,887.20
  6. Step 6: Final answer
    x = 361,011.98

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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.