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Finding the Fourth Proportional to 292,328, 438,506.40 and 95,336

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Solution

The fourth proportional to 292,328, 438,506.40 and 95,336 is: 143,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,328 : 438,506.40 = 95,336 : x
  2. Step 2: Convert to fraction form
    292,328/438,506.40 = 95,336/x
  3. Step 3: Cross multiply
    292,328x = 438,506.40 × 95,336
  4. Step 4: Simplify right side
    292,328x = 41,805,446,150.40
  5. Step 5: Solve for x
    x = 41,805,446,150.40/292,328
  6. Step 6: Final answer
    x = 143,008.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.