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Finding the Fourth Proportional to 501,935.22, 692,671.86 and 275,595.30

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Solution

The fourth proportional to 501,935.22, 692,671.86 and 275,595.30 is: 380,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,935.22 : 692,671.86 = 275,595.30 : x
  2. Step 2: Convert to fraction form
    501,935.22/692,671.86 = 275,595.30/x
  3. Step 3: Cross multiply
    501,935.22x = 692,671.86 × 275,595.30
  4. Step 4: Simplify right side
    501,935.22x = 190,897,109,058.26
  5. Step 5: Solve for x
    x = 190,897,109,058.26/501,935.22
  6. Step 6: Final answer
    x = 380,322.20

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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.