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Finding the Fourth Proportional to 360,604.35, 497,477.63 and 217,282.95

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Solution

The fourth proportional to 360,604.35, 497,477.63 and 217,282.95 is: 299,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,604.35 : 497,477.63 = 217,282.95 : x
  2. Step 2: Convert to fraction form
    360,604.35/497,477.63 = 217,282.95/x
  3. Step 3: Cross multiply
    360,604.35x = 497,477.63 × 217,282.95
  4. Step 4: Simplify right side
    360,604.35x = 108,093,407,548.62
  5. Step 5: Solve for x
    x = 108,093,407,548.62/360,604.35
  6. Step 6: Final answer
    x = 299,756.25

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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.