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Finding the Fourth Proportional to 1,979,553.04, 2,967,875.64 and 630,939.28

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Solution

The fourth proportional to 1,979,553.04, 2,967,875.64 and 630,939.28 is: 945,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,553.04 : 2,967,875.64 = 630,939.28 : x
  2. Step 2: Convert to fraction form
    1,979,553.04/2,967,875.64 = 630,939.28/x
  3. Step 3: Cross multiply
    1,979,553.04x = 2,967,875.64 × 630,939.28
  4. Step 4: Simplify right side
    1,979,553.04x = 1,872,549,319,431.14
  5. Step 5: Solve for x
    x = 1,872,549,319,431.14/1,979,553.04
  6. Step 6: Final answer
    x = 945,945.51

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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.