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Finding the Fourth Proportional to 441,003, 660,672.08 and 260,549.98

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Solution

The fourth proportional to 441,003, 660,672.08 and 260,549.98 is: 390,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,003 : 660,672.08 = 260,549.98 : x
  2. Step 2: Convert to fraction form
    441,003/660,672.08 = 260,549.98/x
  3. Step 3: Cross multiply
    441,003x = 660,672.08 × 260,549.98
  4. Step 4: Simplify right side
    441,003x = 172,138,097,230.56
  5. Step 5: Solve for x
    x = 172,138,097,230.56/441,003
  6. Step 6: Final answer
    x = 390,333.17

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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.