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Finding the Fourth Proportional to 292,530.35, 438,046.44 and 202,448.36

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Solution

The fourth proportional to 292,530.35, 438,046.44 and 202,448.36 is: 303,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,530.35 : 438,046.44 = 202,448.36 : x
  2. Step 2: Convert to fraction form
    292,530.35/438,046.44 = 202,448.36/x
  3. Step 3: Cross multiply
    292,530.35x = 438,046.44 × 202,448.36
  4. Step 4: Simplify right side
    292,530.35x = 88,681,783,381.84
  5. Step 5: Solve for x
    x = 88,681,783,381.84/292,530.35
  6. Step 6: Final answer
    x = 303,154.13

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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.