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Finding the Fourth Proportional to 454,325.43, 626,971.55 and 260,717.72

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Solution

The fourth proportional to 454,325.43, 626,971.55 and 260,717.72 is: 359,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,325.43 : 626,971.55 = 260,717.72 : x
  2. Step 2: Convert to fraction form
    454,325.43/626,971.55 = 260,717.72/x
  3. Step 3: Cross multiply
    454,325.43x = 626,971.55 × 260,717.72
  4. Step 4: Simplify right side
    454,325.43x = 163,462,592,888.95
  5. Step 5: Solve for x
    x = 163,462,592,888.95/454,325.43
  6. Step 6: Final answer
    x = 359,791.87

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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.