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Finding the Fourth Proportional to 866,595.95, 1,195,880.04 and 479,401.37

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Solution

The fourth proportional to 866,595.95, 1,195,880.04 and 479,401.37 is: 661,561.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,595.95 : 1,195,880.04 = 479,401.37 : x
  2. Step 2: Convert to fraction form
    866,595.95/1,195,880.04 = 479,401.37/x
  3. Step 3: Cross multiply
    866,595.95x = 1,195,880.04 × 479,401.37
  4. Step 4: Simplify right side
    866,595.95x = 573,306,523,552.26
  5. Step 5: Solve for x
    x = 573,306,523,552.26/866,595.95
  6. Step 6: Final answer
    x = 661,561.51

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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.