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Finding the Fourth Proportional to 607,454.42, 910,490.28 and 269,988.16

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Solution

The fourth proportional to 607,454.42, 910,490.28 and 269,988.16 is: 404,674.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,454.42 : 910,490.28 = 269,988.16 : x
  2. Step 2: Convert to fraction form
    607,454.42/910,490.28 = 269,988.16/x
  3. Step 3: Cross multiply
    607,454.42x = 910,490.28 × 269,988.16
  4. Step 4: Simplify right side
    607,454.42x = 245,821,595,395.09
  5. Step 5: Solve for x
    x = 245,821,595,395.09/607,454.42
  6. Step 6: Final answer
    x = 404,674.96

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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.