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Finding the Fourth Proportional to 453,530.26, 625,662.35 and 292,437.05

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Solution

The fourth proportional to 453,530.26, 625,662.35 and 292,437.05 is: 403,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,530.26 : 625,662.35 = 292,437.05 : x
  2. Step 2: Convert to fraction form
    453,530.26/625,662.35 = 292,437.05/x
  3. Step 3: Cross multiply
    453,530.26x = 625,662.35 × 292,437.05
  4. Step 4: Simplify right side
    453,530.26x = 182,966,850,467.88
  5. Step 5: Solve for x
    x = 182,966,850,467.88/453,530.26
  6. Step 6: Final answer
    x = 403,428.10

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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.