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Finding the Fourth Proportional to 441,010.17, 660,682.58 and 260,557.16

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Solution

The fourth proportional to 441,010.17, 660,682.58 and 260,557.16 is: 390,343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,010.17 : 660,682.58 = 260,557.16 : x
  2. Step 2: Convert to fraction form
    441,010.17/660,682.58 = 260,557.16/x
  3. Step 3: Cross multiply
    441,010.17x = 660,682.58 × 260,557.16
  4. Step 4: Simplify right side
    441,010.17x = 172,145,572,100.07
  5. Step 5: Solve for x
    x = 172,145,572,100.07/441,010.17
  6. Step 6: Final answer
    x = 390,343.77

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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.