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Finding the Fourth Proportional to 606,966.10, 910,813.65 and 251,943.10

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Solution

The fourth proportional to 606,966.10, 910,813.65 and 251,943.10 is: 378,065.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,966.10 : 910,813.65 = 251,943.10 : x
  2. Step 2: Convert to fraction form
    606,966.10/910,813.65 = 251,943.10/x
  3. Step 3: Cross multiply
    606,966.10x = 910,813.65 × 251,943.10
  4. Step 4: Simplify right side
    606,966.10x = 229,473,214,503.32
  5. Step 5: Solve for x
    x = 229,473,214,503.32/606,966.10
  6. Step 6: Final answer
    x = 378,065.95

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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.