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Finding the Fourth Proportional to 467,135.35, 644,646.76 and 252,275.41

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Solution

The fourth proportional to 467,135.35, 644,646.76 and 252,275.41 is: 348,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,135.35 : 644,646.76 = 252,275.41 : x
  2. Step 2: Convert to fraction form
    467,135.35/644,646.76 = 252,275.41/x
  3. Step 3: Cross multiply
    467,135.35x = 644,646.76 × 252,275.41
  4. Step 4: Simplify right side
    467,135.35x = 162,628,525,684.17
  5. Step 5: Solve for x
    x = 162,628,525,684.17/467,135.35
  6. Step 6: Final answer
    x = 348,140.05

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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.