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Finding the Fourth Proportional to 579,369.96, 868,877.41 and 400,604.16

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Solution

The fourth proportional to 579,369.96, 868,877.41 and 400,604.16 is: 600,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,369.96 : 868,877.41 = 400,604.16 : x
  2. Step 2: Convert to fraction form
    579,369.96/868,877.41 = 400,604.16/x
  3. Step 3: Cross multiply
    579,369.96x = 868,877.41 × 400,604.16
  4. Step 4: Simplify right side
    579,369.96x = 348,075,904,976.03
  5. Step 5: Solve for x
    x = 348,075,904,976.03/579,369.96
  6. Step 6: Final answer
    x = 600,783.49

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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.