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Finding the Fourth Proportional to 372,460.42, 514,006.98 and 211,322.26

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Solution

The fourth proportional to 372,460.42, 514,006.98 and 211,322.26 is: 291,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,460.42 : 514,006.98 = 211,322.26 : x
  2. Step 2: Convert to fraction form
    372,460.42/514,006.98 = 211,322.26/x
  3. Step 3: Cross multiply
    372,460.42x = 514,006.98 × 211,322.26
  4. Step 4: Simplify right side
    372,460.42x = 108,621,116,669.38
  5. Step 5: Solve for x
    x = 108,621,116,669.38/372,460.42
  6. Step 6: Final answer
    x = 291,631.30

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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.