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Finding the Fourth Proportional to 4,431,032.70, 6,646,549.05 and 4,431,032.70

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Solution

The fourth proportional to 4,431,032.70, 6,646,549.05 and 4,431,032.70 is: 6,646,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431,032.70 : 6,646,549.05 = 4,431,032.70 : x
  2. Step 2: Convert to fraction form
    4,431,032.70/6,646,549.05 = 4,431,032.70/x
  3. Step 3: Cross multiply
    4,431,032.70x = 6,646,549.05 × 4,431,032.70
  4. Step 4: Simplify right side
    4,431,032.70x = 29,451,076,182,703.93
  5. Step 5: Solve for x
    x = 29,451,076,182,703.93/4,431,032.70
  6. Step 6: Final answer
    x = 6,646,549.05

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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.