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Finding the Fourth Proportional to 1,037,058, 1,431,141 and 560,130

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Solution

The fourth proportional to 1,037,058, 1,431,141 and 560,130 is: 772,979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,058 : 1,431,141 = 560,130 : x
  2. Step 2: Convert to fraction form
    1,037,058/1,431,141 = 560,130/x
  3. Step 3: Cross multiply
    1,037,058x = 1,431,141 × 560,130
  4. Step 4: Simplify right side
    1,037,058x = 801,625,008,330
  5. Step 5: Solve for x
    x = 801,625,008,330/1,037,058
  6. Step 6: Final answer
    x = 772,979.92

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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.