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Finding the Fourth Proportional to 433,335.30, 650,002.95 and 393,969.30

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Solution

The fourth proportional to 433,335.30, 650,002.95 and 393,969.30 is: 590,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,335.30 : 650,002.95 = 393,969.30 : x
  2. Step 2: Convert to fraction form
    433,335.30/650,002.95 = 393,969.30/x
  3. Step 3: Cross multiply
    433,335.30x = 650,002.95 × 393,969.30
  4. Step 4: Simplify right side
    433,335.30x = 256,081,207,209.44
  5. Step 5: Solve for x
    x = 256,081,207,209.44/433,335.30
  6. Step 6: Final answer
    x = 590,953.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.