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Finding the Fourth Proportional to 451,907.97, 623,632.68 and 247,960.10

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Solution

The fourth proportional to 451,907.97, 623,632.68 and 247,960.10 is: 342,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,907.97 : 623,632.68 = 247,960.10 : x
  2. Step 2: Convert to fraction form
    451,907.97/623,632.68 = 247,960.10/x
  3. Step 3: Cross multiply
    451,907.97x = 623,632.68 × 247,960.10
  4. Step 4: Simplify right side
    451,907.97x = 154,636,018,577.91
  5. Step 5: Solve for x
    x = 154,636,018,577.91/451,907.97
  6. Step 6: Final answer
    x = 342,184.76

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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.