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Finding the Fourth Proportional to 451,642.72, 623,222.04 and 260,717.62

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Solution

The fourth proportional to 451,642.72, 623,222.04 and 260,717.62 is: 359,764.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,642.72 : 623,222.04 = 260,717.62 : x
  2. Step 2: Convert to fraction form
    451,642.72/623,222.04 = 260,717.62/x
  3. Step 3: Cross multiply
    451,642.72x = 623,222.04 × 260,717.62
  4. Step 4: Simplify right side
    451,642.72x = 162,484,966,419.98
  5. Step 5: Solve for x
    x = 162,484,966,419.98/451,642.72
  6. Step 6: Final answer
    x = 359,764.39

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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.