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Finding the Fourth Proportional to 433,634.60, 598,400.70 and 240,050.72

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Solution

The fourth proportional to 433,634.60, 598,400.70 and 240,050.72 is: 331,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,634.60 : 598,400.70 = 240,050.72 : x
  2. Step 2: Convert to fraction form
    433,634.60/598,400.70 = 240,050.72/x
  3. Step 3: Cross multiply
    433,634.60x = 598,400.70 × 240,050.72
  4. Step 4: Simplify right side
    433,634.60x = 143,646,518,883.50
  5. Step 5: Solve for x
    x = 143,646,518,883.50/433,634.60
  6. Step 6: Final answer
    x = 331,261.66

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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.