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Finding the Fourth Proportional to 637,674.14, 880,030.10 and 351,194.15

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Solution

The fourth proportional to 637,674.14, 880,030.10 and 351,194.15 is: 484,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,674.14 : 880,030.10 = 351,194.15 : x
  2. Step 2: Convert to fraction form
    637,674.14/880,030.10 = 351,194.15/x
  3. Step 3: Cross multiply
    637,674.14x = 880,030.10 × 351,194.15
  4. Step 4: Simplify right side
    637,674.14x = 309,061,422,943.92
  5. Step 5: Solve for x
    x = 309,061,422,943.92/637,674.14
  6. Step 6: Final answer
    x = 484,669.84

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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.