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Finding the Fourth Proportional to 647,966.03, 894,193.47 and 361,486.13

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Solution

The fourth proportional to 647,966.03, 894,193.47 and 361,486.13 is: 498,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,966.03 : 894,193.47 = 361,486.13 : x
  2. Step 2: Convert to fraction form
    647,966.03/894,193.47 = 361,486.13/x
  3. Step 3: Cross multiply
    647,966.03x = 894,193.47 × 361,486.13
  4. Step 4: Simplify right side
    647,966.03x = 323,238,532,470.60
  5. Step 5: Solve for x
    x = 323,238,532,470.60/647,966.03
  6. Step 6: Final answer
    x = 498,851.05

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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.